Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12318-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.110in O/A Length, 0.3110in Stem - 12316-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12314-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12312-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12310-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 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Diameter .3415 in. Stem, 5.020 in. Length - Set of 8 - 11989-8 MSRP: Now: $1,332.49 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - GB 2300 - 11988HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit for Small Block Chevrolet AFR Eliminator Heads - 11982TB-8 MSRP: Now: $1,363.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 11980HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SB Chevrolet LS7 Titanium Intake Valves 2.250 Head Dia 0.3135 Stem Dia - Set of 8 - 11978TBC-8 MSRP: $1,709.65 Now: $1,453.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12318-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12308-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.050in O/A Length, 0.3136in Stem - 12303-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12301-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12232HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.110in O/A Length, 0.3110in Stem - 12316-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12314-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12312-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12310-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12308-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.050in O/A Length, 0.3136in Stem - 12303-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12301-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12232HTBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12231TBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12230HTBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12229TBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12228HTBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12227TBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12226HTBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12225TBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12224HTBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12223TBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 12220HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - 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Small Block Chevrolet - M&M Revolution - 11996B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - M&M Revolution - 11995B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - All Pro - 11993HTB-8 MSRP: Now: $1,443.38 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit Alan Johnson Performance Engines TFD, TFFC, and Nostalgia AJPE 6 - 11992B-8 MSRP: Now: $1,449.74 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit Alan Johnson Performance Engines TFD, TFFC, and Nostalgia AJPE 6 - 11992-8 MSRP: Now: $1,449.74 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - All Pro - 11991HTB-8 MSRP: Now: $1,443.38 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Valve 2.000 in. Diameter .3415 in. Stem, 5.020 in. 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MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.050in O/A Length, 0.3136in Stem - 12303-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12301-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12232HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12314-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12312-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12310-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12308-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.050in O/A Length, 0.3136in Stem - 12303-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12301-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12232HTBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12231TBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12230HTBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12229TBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12228HTBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12227TBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - 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Diameter .3415 in. Stem, 5.020 in. Length - Set of 8 - 11989-8 MSRP: Now: $1,332.49 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - GB 2300 - 11988HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit for Small Block Chevrolet AFR Eliminator Heads - 11982TB-8 MSRP: Now: $1,363.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 11980HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SB Chevrolet LS7 Titanium Intake Valves 2.250 Head Dia 0.3135 Stem Dia - Set of 8 - 11978TBC-8 MSRP: $1,709.65 Now: $1,453.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12318-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.110in O/A Length, 0.3110in Stem - 12316-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12314-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12312-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12310-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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Diameter .3415 in. Stem, 5.020 in. 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Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12310-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12308-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.050in O/A Length, 0.3136in Stem - 12303-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 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Diameter .3415 in. Stem, 5.020 in. Length - Set of 8 - 11989-8 MSRP: Now: $1,332.49 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - GB 2300 - 11988HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit for Small Block Chevrolet AFR Eliminator Heads - 11982TB-8 MSRP: Now: $1,363.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 11980HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SB Chevrolet LS7 Titanium Intake Valves 2.250 Head Dia 0.3135 Stem Dia - Set of 8 - 11978TBC-8 MSRP: $1,709.65 Now: $1,453.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12318-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12308-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.050in O/A Length, 0.3136in Stem - 12303-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12301-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12232HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12308-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.050in O/A Length, 0.3136in Stem - 12303-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 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Diameter .3415 in. Stem, 5.020 in. 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Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.050in O/A Length, 0.3136in Stem - 12303-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12301-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 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Diameter .3415 in. Stem, 5.020 in. 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Diameter .3415 in. Stem, 5.020 in. 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Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.050in O/A Length, 0.3136in Stem - 12303-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12301-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12232HTBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - 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Big Block Chevrolet - Brodix SR20 - Dart 20 Degree - 12208HTB-8 MSRP: Now: $1,489.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Noonan Race Engineering - NRE - X1 Pro Mod - 12203B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Noonan Race Engineering - NRE - X1 Pro Mod - 12202HBC-8 MSRP: Now: $1,837.58 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Noonan Race Engineering - NRE - X1/Super 6 - 12201BC-8 MSRP: Now: $1,837.58 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Noonan Race Engineering - NRE - X1/Super 6 - 12201B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Noonan Race Engineering - NRE - X1/Super 6 - 12200HBC-8 MSRP: Now: $1,837.58 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - 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Small Block Chevrolet - All Pro - 11993HTB-8 MSRP: Now: $1,443.38 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit Alan Johnson Performance Engines TFD, TFFC, and Nostalgia AJPE 6 - 11992B-8 MSRP: Now: $1,449.74 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit Alan Johnson Performance Engines TFD, TFFC, and Nostalgia AJPE 6 - 11992-8 MSRP: Now: $1,449.74 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - All Pro - 11991HTB-8 MSRP: Now: $1,443.38 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Valve 2.000 in. Diameter .3415 in. Stem, 5.020 in. Length - Set of 8 - 11989-8 MSRP: Now: $1,332.49 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - GB 2300 - 11988HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit for Small Block Chevrolet AFR Eliminator Heads - 11982TB-8 MSRP: Now: $1,363.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 11980HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SB Chevrolet LS7 Titanium Intake Valves 2.250 Head Dia 0.3135 Stem Dia - Set of 8 - 11978TBC-8 MSRP: $1,709.65 Now: $1,453.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12318-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.110in O/A Length, 0.3110in Stem - 12316-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12314-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12312-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12310-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12308-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.050in O/A Length, 0.3136in Stem - 12303-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12301-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12232HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12229TBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12228HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12227TBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12226HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12223TBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 12220HTBC-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 12218HBC-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Big Block Chevrolet - Brodix SR20 - Dart 20 Degree - 12216HB-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - All Pro - 12215HTBC-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,837.58 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Exhaust Valve Kit - Big Block Chevrolet - Brodix SR20 - Dart 20 Degree - 12213B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Noonan Race Engineering - NRE - X1/Super 6 - 12212HBC-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended...
Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12301-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12232HTBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12231TBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12230HTBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12229TBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12228HTBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12227TBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12226HTBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12225TBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12224HTBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12223TBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 12220HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 12218HBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Big Block Chevrolet - Brodix SR20 - Dart 20 Degree - 12216HB-8 MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - All Pro - 12215HTBC-8 MSRP: Now: $1,837.58 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Big Block Chevrolet - Brodix SR20 - Dart 20 Degree - 12213B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Noonan Race Engineering - NRE - X1/Super 6 - 12212HBC-8 MSRP: Now: $1,837.58 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Big Block Chevrolet - Brodix SR20 - Dart 20 Degree - 12210HTB-8 MSRP: Now: $1,489.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Brodix Big Block SR20 Titanium Intake Valve 2.400in Head Dia 6.035 Length - 12210HTB-1 MSRP: Now: $186.20 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Big Block Chevrolet - Brodix SR20 - Dart 20 Degree - 12209TB-8 MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Big Block Chevrolet - Brodix SR20 - Dart 20 Degree - 12208HTB-8 MSRP: Now: $1,489.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Noonan Race Engineering - NRE - X1 Pro Mod - 12203B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Noonan Race Engineering - NRE - X1 Pro Mod - 12202HBC-8 MSRP: Now: $1,837.58 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Noonan Race Engineering - NRE - X1/Super 6 - 12201BC-8 MSRP: Now: $1,837.58 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Noonan Race Engineering - NRE - X1/Super 6 - 12201B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Noonan Race Engineering - NRE - X1/Super 6 - 12200HBC-8 MSRP: Now: $1,837.58 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Big Block Chevrolet - M&M X20 - 12175B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Big Block Chevrolet - M&M X20 - 12174B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Big Block Chevrolet - M&M X20 - 12173B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Valves 2.400 Head Dia - Set of 8 - 11998B-8 MSRP: $1,449.74 Now: $1,232.29 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - M&M Revolution - 11996B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - M&M Revolution - 11995B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - All Pro - 11993HTB-8 MSRP: Now: $1,443.38 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit Alan Johnson Performance Engines TFD, TFFC, and Nostalgia AJPE 6 - 11992B-8 MSRP: Now: $1,449.74 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit Alan Johnson Performance Engines TFD, TFFC, and Nostalgia AJPE 6 - 11992-8 MSRP: Now: $1,449.74 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - All Pro - 11991HTB-8 MSRP: Now: $1,443.38 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Valve 2.000 in. Diameter .3415 in. Stem, 5.020 in. Length - Set of 8 - 11989-8 MSRP: Now: $1,332.49 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - GB 2300 - 11988HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit for Small Block Chevrolet AFR Eliminator Heads - 11982TB-8 MSRP: Now: $1,363.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 11980HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SB Chevrolet LS7 Titanium Intake Valves 2.250 Head Dia 0.3135 Stem Dia - Set of 8 - 11978TBC-8 MSRP: $1,709.65 Now: $1,453.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12318-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.110in O/A Length, 0.3110in Stem - 12316-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12314-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12312-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12310-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12308-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.050in O/A Length, 0.3136in Stem - 12303-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12232HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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Diameter .3415 in. Stem, 5.020 in. 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Quick view Details Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12232HTBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12231TBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12230HTBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12229TBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12228HTBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - 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Noonan Race Engineering - NRE - X1/Super 6 - 12201B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Noonan Race Engineering - NRE - X1/Super 6 - 12200HBC-8 MSRP: Now: $1,837.58 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Big Block Chevrolet - M&M X20 - 12175B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Big Block Chevrolet - M&M X20 - 12174B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Big Block Chevrolet - M&M X20 - 12173B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Valves 2.400 Head Dia - Set of 8 - 11998B-8 MSRP: $1,449.74 Now: $1,232.29 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - M&M Revolution - 11996B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - M&M Revolution - 11995B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - All Pro - 11993HTB-8 MSRP: Now: $1,443.38 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit Alan Johnson Performance Engines TFD, TFFC, and Nostalgia AJPE 6 - 11992B-8 MSRP: Now: $1,449.74 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit Alan Johnson Performance Engines TFD, TFFC, and Nostalgia AJPE 6 - 11992-8 MSRP: Now: $1,449.74 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - All Pro - 11991HTB-8 MSRP: Now: $1,443.38 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Valve 2.000 in. Diameter .3415 in. Stem, 5.020 in. Length - Set of 8 - 11989-8 MSRP: Now: $1,332.49 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - GB 2300 - 11988HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit for Small Block Chevrolet AFR Eliminator Heads - 11982TB-8 MSRP: Now: $1,363.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 11980HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SB Chevrolet LS7 Titanium Intake Valves 2.250 Head Dia 0.3135 Stem Dia - Set of 8 - 11978TBC-8 MSRP: $1,709.65 Now: $1,453.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12318-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12312-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12310-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12308-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.050in O/A Length, 0.3136in Stem - 12303-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12301-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12232HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12232HTBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12231TBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12230HTBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12229TBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12228HTBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12227TBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - 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Small Block Chevrolet - M&M Revolution - 11995B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - All Pro - 11993HTB-8 MSRP: Now: $1,443.38 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit Alan Johnson Performance Engines TFD, TFFC, and Nostalgia AJPE 6 - 11992B-8 MSRP: Now: $1,449.74 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit Alan Johnson Performance Engines TFD, TFFC, and Nostalgia AJPE 6 - 11992-8 MSRP: Now: $1,449.74 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - All Pro - 11991HTB-8 MSRP: Now: $1,443.38 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Valve 2.000 in. Diameter .3415 in. Stem, 5.020 in. Length - Set of 8 - 11989-8 MSRP: Now: $1,332.49 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - GB 2300 - 11988HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit for Small Block Chevrolet AFR Eliminator Heads - 11982TB-8 MSRP: Now: $1,363.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 11980HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SB Chevrolet LS7 Titanium Intake Valves 2.250 Head Dia 0.3135 Stem Dia - Set of 8 - 11978TBC-8 MSRP: $1,709.65 Now: $1,453.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12318-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.110in O/A Length, 0.3110in Stem - 12316-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12314-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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Diameter .3415 in. Stem, 5.020 in. 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Noonan Race Engineering - NRE - X1 Pro Mod - 12203B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Noonan Race Engineering - NRE - X1 Pro Mod - 12202HBC-8 MSRP: Now: $1,837.58 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Noonan Race Engineering - NRE - X1/Super 6 - 12201BC-8 MSRP: Now: $1,837.58 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Noonan Race Engineering - NRE - X1/Super 6 - 12201B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Noonan Race Engineering - NRE - X1/Super 6 - 12200HBC-8 MSRP: Now: $1,837.58 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Big Block Chevrolet - M&M X20 - 12175B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - 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11992B-8 MSRP: Now: $1,449.74 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit Alan Johnson Performance Engines TFD, TFFC, and Nostalgia AJPE 6 - 11992-8 MSRP: Now: $1,449.74 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - All Pro - 11991HTB-8 MSRP: Now: $1,443.38 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Valve 2.000 in. Diameter .3415 in. Stem, 5.020 in. Length - Set of 8 - 11989-8 MSRP: Now: $1,332.49 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - GB 2300 - 11988HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit for Small Block Chevrolet AFR Eliminator Heads - 11982TB-8 MSRP: Now: $1,363.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 11980HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SB Chevrolet LS7 Titanium Intake Valves 2.250 Head Dia 0.3135 Stem Dia - Set of 8 - 11978TBC-8 MSRP: $1,709.65 Now: $1,453.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12318-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.110in O/A Length, 0.3110in Stem - 12316-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12314-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12312-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12310-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12308-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.050in O/A Length, 0.3136in Stem - 12303-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12301-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12232HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12227TBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12226HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12229TBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12228HTBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12227TBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12226HTBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12225TBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12224HTBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12223TBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 12220HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 12218HBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Big Block Chevrolet - Brodix SR20 - Dart 20 Degree - 12216HB-8 MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - All Pro - 12215HTBC-8 MSRP: Now: $1,837.58 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Big Block Chevrolet - Brodix SR20 - Dart 20 Degree - 12213B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Noonan Race Engineering - NRE - X1/Super 6 - 12212HBC-8 MSRP: Now: $1,837.58 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Big Block Chevrolet - Brodix SR20 - Dart 20 Degree - 12210HTB-8 MSRP: Now: $1,489.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Brodix Big Block SR20 Titanium Intake Valve 2.400in Head Dia 6.035 Length - 12210HTB-1 MSRP: Now: $186.20 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Big Block Chevrolet - Brodix SR20 - Dart 20 Degree - 12209TB-8 MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Big Block Chevrolet - Brodix SR20 - Dart 20 Degree - 12208HTB-8 MSRP: Now: $1,489.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Noonan Race Engineering - NRE - X1 Pro Mod - 12203B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Noonan Race Engineering - NRE - X1 Pro Mod - 12202HBC-8 MSRP: Now: $1,837.58 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Noonan Race Engineering - NRE - X1/Super 6 - 12201BC-8 MSRP: Now: $1,837.58 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Noonan Race Engineering - NRE - X1/Super 6 - 12201B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Noonan Race Engineering - NRE - X1/Super 6 - 12200HBC-8 MSRP: Now: $1,837.58 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Big Block Chevrolet - M&M X20 - 12175B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Big Block Chevrolet - M&M X20 - 12174B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Big Block Chevrolet - M&M X20 - 12173B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Valves 2.400 Head Dia - Set of 8 - 11998B-8 MSRP: $1,449.74 Now: $1,232.29 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - M&M Revolution - 11996B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - M&M Revolution - 11995B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - All Pro - 11993HTB-8 MSRP: Now: $1,443.38 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit Alan Johnson Performance Engines TFD, TFFC, and Nostalgia AJPE 6 - 11992B-8 MSRP: Now: $1,449.74 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit Alan Johnson Performance Engines TFD, TFFC, and Nostalgia AJPE 6 - 11992-8 MSRP: Now: $1,449.74 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - All Pro - 11991HTB-8 MSRP: Now: $1,443.38 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Valve 2.000 in. Diameter .3415 in. Stem, 5.020 in. Length - Set of 8 - 11989-8 MSRP: Now: $1,332.49 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - GB 2300 - 11988HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit for Small Block Chevrolet AFR Eliminator Heads - 11982TB-8 MSRP: Now: $1,363.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 11980HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SB Chevrolet LS7 Titanium Intake Valves 2.250 Head Dia 0.3135 Stem Dia - Set of 8 - 11978TBC-8 MSRP: $1,709.65 Now: $1,453.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12318-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.110in O/A Length, 0.3110in Stem - 12316-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12314-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12312-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12310-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12308-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.050in O/A Length, 0.3136in Stem - 12303-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12301-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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Diameter .3415 in. Stem, 5.020 in. Length - Set of 8 - 11989-8 MSRP: Now: $1,332.49 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - GB 2300 - 11988HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit for Small Block Chevrolet AFR Eliminator Heads - 11982TB-8 MSRP: Now: $1,363.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 11980HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SB Chevrolet LS7 Titanium Intake Valves 2.250 Head Dia 0.3135 Stem Dia - Set of 8 - 11978TBC-8 MSRP: $1,709.65 Now: $1,453.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12318-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.050in O/A Length, 0.3136in Stem - 12303-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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Small Block Chevrolet - M&M Revolution - 11996B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - M&M Revolution - 11995B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - All Pro - 11993HTB-8 MSRP: Now: $1,443.38 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit Alan Johnson Performance Engines TFD, TFFC, and Nostalgia AJPE 6 - 11992B-8 MSRP: Now: $1,449.74 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit Alan Johnson Performance Engines TFD, TFFC, and Nostalgia AJPE 6 - 11992-8 MSRP: Now: $1,449.74 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - All Pro - 11991HTB-8 MSRP: Now: $1,443.38 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Valve 2.000 in. Diameter .3415 in. Stem, 5.020 in. Length - Set of 8 - 11989-8 MSRP: Now: $1,332.49 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - GB 2300 - 11988HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit for Small Block Chevrolet AFR Eliminator Heads - 11982TB-8 MSRP: Now: $1,363.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 11980HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SB Chevrolet LS7 Titanium Intake Valves 2.250 Head Dia 0.3135 Stem Dia - Set of 8 - 11978TBC-8 MSRP: $1,709.65 Now: $1,453.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12318-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.050in O/A Length, 0.3136in Stem - 12303-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12301-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12232HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12226HTBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12225TBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12224HTBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12223TBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 12220HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 12218HBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Big Block Chevrolet - Brodix SR20 - Dart 20 Degree - 12216HB-8 MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - All Pro - 12215HTBC-8 MSRP: Now: $1,837.58 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Big Block Chevrolet - Brodix SR20 - Dart 20 Degree - 12213B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Noonan Race Engineering - NRE - X1/Super 6 - 12212HBC-8 MSRP: Now: $1,837.58 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Big Block Chevrolet - Brodix SR20 - Dart 20 Degree - 12210HTB-8 MSRP: Now: $1,489.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Brodix Big Block SR20 Titanium Intake Valve 2.400in Head Dia 6.035 Length - 12210HTB-1 MSRP: Now: $186.20 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Big Block Chevrolet - Brodix SR20 - Dart 20 Degree - 12209TB-8 MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Big Block Chevrolet - Brodix SR20 - Dart 20 Degree - 12208HTB-8 MSRP: Now: $1,489.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Noonan Race Engineering - NRE - X1 Pro Mod - 12203B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Noonan Race Engineering - NRE - X1 Pro Mod - 12202HBC-8 MSRP: Now: $1,837.58 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Noonan Race Engineering - NRE - X1/Super 6 - 12201BC-8 MSRP: Now: $1,837.58 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Noonan Race Engineering - NRE - X1/Super 6 - 12201B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Noonan Race Engineering - NRE - X1/Super 6 - 12200HBC-8 MSRP: Now: $1,837.58 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Big Block Chevrolet - M&M X20 - 12175B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Big Block Chevrolet - M&M X20 - 12174B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Big Block Chevrolet - M&M X20 - 12173B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Valves 2.400 Head Dia - Set of 8 - 11998B-8 MSRP: $1,449.74 Now: $1,232.29 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - M&M Revolution - 11996B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - M&M Revolution - 11995B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - All Pro - 11993HTB-8 MSRP: Now: $1,443.38 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit Alan Johnson Performance Engines TFD, TFFC, and Nostalgia AJPE 6 - 11992B-8 MSRP: Now: $1,449.74 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit Alan Johnson Performance Engines TFD, TFFC, and Nostalgia AJPE 6 - 11992-8 MSRP: Now: $1,449.74 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - All Pro - 11991HTB-8 MSRP: Now: $1,443.38 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Valve 2.000 in. Diameter .3415 in. Stem, 5.020 in. Length - Set of 8 - 11989-8 MSRP: Now: $1,332.49 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - GB 2300 - 11988HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit for Small Block Chevrolet AFR Eliminator Heads - 11982TB-8 MSRP: Now: $1,363.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 11980HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SB Chevrolet LS7 Titanium Intake Valves 2.250 Head Dia 0.3135 Stem Dia - Set of 8 - 11978TBC-8 MSRP: $1,709.65 Now: $1,453.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12318-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.110in O/A Length, 0.3110in Stem - 12316-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12314-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12312-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12310-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12308-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.050in O/A Length, 0.3136in Stem - 12303-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12301-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12232HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12225TBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12224HTBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12223TBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 12220HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 12218HBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Big Block Chevrolet - Brodix SR20 - Dart 20 Degree - 12216HB-8 MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - All Pro - 12215HTBC-8 MSRP: Now: $1,837.58 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Big Block Chevrolet - Brodix SR20 - Dart 20 Degree - 12213B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Noonan Race Engineering - NRE - X1/Super 6 - 12212HBC-8 MSRP: Now: $1,837.58 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Big Block Chevrolet - Brodix SR20 - Dart 20 Degree - 12210HTB-8 MSRP: Now: $1,489.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Brodix Big Block SR20 Titanium Intake Valve 2.400in Head Dia 6.035 Length - 12210HTB-1 MSRP: Now: $186.20 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Big Block Chevrolet - Brodix SR20 - Dart 20 Degree - 12209TB-8 MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - 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Big Block Chevrolet - M&M X20 - 12175B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Big Block Chevrolet - M&M X20 - 12174B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Big Block Chevrolet - M&M X20 - 12173B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Valves 2.400 Head Dia - Set of 8 - 11998B-8 MSRP: $1,449.74 Now: $1,232.29 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - M&M Revolution - 11996B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - M&M Revolution - 11995B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - All Pro - 11993HTB-8 MSRP: Now: $1,443.38 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit Alan Johnson Performance Engines TFD, TFFC, and Nostalgia AJPE 6 - 11992B-8 MSRP: Now: $1,449.74 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit Alan Johnson Performance Engines TFD, TFFC, and Nostalgia AJPE 6 - 11992-8 MSRP: Now: $1,449.74 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - All Pro - 11991HTB-8 MSRP: Now: $1,443.38 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Valve 2.000 in. Diameter .3415 in. Stem, 5.020 in. Length - Set of 8 - 11989-8 MSRP: Now: $1,332.49 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - GB 2300 - 11988HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit for Small Block Chevrolet AFR Eliminator Heads - 11982TB-8 MSRP: Now: $1,363.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 11980HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SB Chevrolet LS7 Titanium Intake Valves 2.250 Head Dia 0.3135 Stem Dia - Set of 8 - 11978TBC-8 MSRP: $1,709.65 Now: $1,453.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12318-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12308-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.050in O/A Length, 0.3136in Stem - 12303-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12224HTBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12223TBCF-8 MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 12220HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 12218HBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Big Block Chevrolet - Brodix SR20 - Dart 20 Degree - 12216HB-8 MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - All Pro - 12215HTBC-8 MSRP: Now: $1,837.58 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Big Block Chevrolet - Brodix SR20 - Dart 20 Degree - 12213B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Noonan Race Engineering - NRE - X1/Super 6 - 12212HBC-8 MSRP: Now: $1,837.58 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Big Block Chevrolet - Brodix SR20 - Dart 20 Degree - 12210HTB-8 MSRP: Now: $1,489.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Brodix Big Block SR20 Titanium Intake Valve 2.400in Head Dia 6.035 Length - 12210HTB-1 MSRP: Now: $186.20 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Big Block Chevrolet - Brodix SR20 - Dart 20 Degree - 12209TB-8 MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Big Block Chevrolet - Brodix SR20 - Dart 20 Degree - 12208HTB-8 MSRP: Now: $1,489.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Noonan Race Engineering - NRE - X1 Pro Mod - 12203B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Noonan Race Engineering - NRE - X1 Pro Mod - 12202HBC-8 MSRP: Now: $1,837.58 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Noonan Race Engineering - NRE - X1/Super 6 - 12201BC-8 MSRP: Now: $1,837.58 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Noonan Race Engineering - NRE - X1/Super 6 - 12201B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Noonan Race Engineering - NRE - X1/Super 6 - 12200HBC-8 MSRP: Now: $1,837.58 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Big Block Chevrolet - M&M X20 - 12175B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Big Block Chevrolet - M&M X20 - 12174B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Big Block Chevrolet - M&M X20 - 12173B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Valves 2.400 Head Dia - Set of 8 - 11998B-8 MSRP: $1,449.74 Now: $1,232.29 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - M&M Revolution - 11996B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - M&M Revolution - 11995B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - All Pro - 11993HTB-8 MSRP: Now: $1,443.38 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit Alan Johnson Performance Engines TFD, TFFC, and Nostalgia AJPE 6 - 11992B-8 MSRP: Now: $1,449.74 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit Alan Johnson Performance Engines TFD, TFFC, and Nostalgia AJPE 6 - 11992-8 MSRP: Now: $1,449.74 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - All Pro - 11991HTB-8 MSRP: Now: $1,443.38 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Valve 2.000 in. Diameter .3415 in. Stem, 5.020 in. Length - Set of 8 - 11989-8 MSRP: Now: $1,332.49 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - GB 2300 - 11988HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit for Small Block Chevrolet AFR Eliminator Heads - 11982TB-8 MSRP: Now: $1,363.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 11980HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SB Chevrolet LS7 Titanium Intake Valves 2.250 Head Dia 0.3135 Stem Dia - Set of 8 - 11978TBC-8 MSRP: $1,709.65 Now: $1,453.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12318-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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Diameter .3415 in. Stem, 5.020 in. 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Diameter .3415 in. Stem, 5.020 in. Length - Set of 8 - 11989-8 MSRP: Now: $1,332.49 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - GB 2300 - 11988HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit for Small Block Chevrolet AFR Eliminator Heads - 11982TB-8 MSRP: Now: $1,363.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 11980HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SB Chevrolet LS7 Titanium Intake Valves 2.250 Head Dia 0.3135 Stem Dia - Set of 8 - 11978TBC-8 MSRP: $1,709.65 Now: $1,453.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12318-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12308-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.050in O/A Length, 0.3136in Stem - 12303-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12301-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 12218HBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Big Block Chevrolet - Brodix SR20 - Dart 20 Degree - 12216HB-8 MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - All Pro - 12215HTBC-8 MSRP: Now: $1,837.58 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Big Block Chevrolet - Brodix SR20 - Dart 20 Degree - 12213B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Noonan Race Engineering - NRE - X1/Super 6 - 12212HBC-8 MSRP: Now: $1,837.58 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Big Block Chevrolet - Brodix SR20 - Dart 20 Degree - 12210HTB-8 MSRP: Now: $1,489.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Brodix Big Block SR20 Titanium Intake Valve 2.400in Head Dia 6.035 Length - 12210HTB-1 MSRP: Now: $186.20 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Big Block Chevrolet - Brodix SR20 - Dart 20 Degree - 12209TB-8 MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Big Block Chevrolet - Brodix SR20 - Dart 20 Degree - 12208HTB-8 MSRP: Now: $1,489.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Noonan Race Engineering - NRE - X1 Pro Mod - 12203B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Noonan Race Engineering - NRE - X1 Pro Mod - 12202HBC-8 MSRP: Now: $1,837.58 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Noonan Race Engineering - NRE - X1/Super 6 - 12201BC-8 MSRP: Now: $1,837.58 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Noonan Race Engineering - NRE - X1/Super 6 - 12201B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Noonan Race Engineering - NRE - X1/Super 6 - 12200HBC-8 MSRP: Now: $1,837.58 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Big Block Chevrolet - M&M X20 - 12175B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Big Block Chevrolet - M&M X20 - 12174B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Big Block Chevrolet - M&M X20 - 12173B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Valves 2.400 Head Dia - Set of 8 - 11998B-8 MSRP: $1,449.74 Now: $1,232.29 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - M&M Revolution - 11996B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - M&M Revolution - 11995B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - All Pro - 11993HTB-8 MSRP: Now: $1,443.38 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit Alan Johnson Performance Engines TFD, TFFC, and Nostalgia AJPE 6 - 11992B-8 MSRP: Now: $1,449.74 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit Alan Johnson Performance Engines TFD, TFFC, and Nostalgia AJPE 6 - 11992-8 MSRP: Now: $1,449.74 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - All Pro - 11991HTB-8 MSRP: Now: $1,443.38 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Valve 2.000 in. Diameter .3415 in. Stem, 5.020 in. Length - Set of 8 - 11989-8 MSRP: Now: $1,332.49 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - GB 2300 - 11988HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit for Small Block Chevrolet AFR Eliminator Heads - 11982TB-8 MSRP: Now: $1,363.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 11980HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SB Chevrolet LS7 Titanium Intake Valves 2.250 Head Dia 0.3135 Stem Dia - Set of 8 - 11978TBC-8 MSRP: $1,709.65 Now: $1,453.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12318-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.110in O/A Length, 0.3110in Stem - 12316-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12314-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12312-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12310-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12308-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.050in O/A Length, 0.3136in Stem - 12303-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12301-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12232HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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Diameter .3415 in. Stem, 5.020 in. Length - Set of 8 - 11989-8 MSRP: Now: $1,332.49 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - GB 2300 - 11988HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit for Small Block Chevrolet AFR Eliminator Heads - 11982TB-8 MSRP: Now: $1,363.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 11980HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SB Chevrolet LS7 Titanium Intake Valves 2.250 Head Dia 0.3135 Stem Dia - Set of 8 - 11978TBC-8 MSRP: $1,709.65 Now: $1,453.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12318-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.110in O/A Length, 0.3110in Stem - 12316-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12314-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12312-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12310-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12308-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.050in O/A Length, 0.3136in Stem - 12303-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12301-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12232HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - All Pro - 12215HTBC-8 MSRP: Now: $1,837.58 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Big Block Chevrolet - Brodix SR20 - Dart 20 Degree - 12213B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Noonan Race Engineering - NRE - X1/Super 6 - 12212HBC-8 MSRP: Now: $1,837.58 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Big Block Chevrolet - Brodix SR20 - Dart 20 Degree - 12210HTB-8 MSRP: Now: $1,489.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Brodix Big Block SR20 Titanium Intake Valve 2.400in Head Dia 6.035 Length - 12210HTB-1 MSRP: Now: $186.20 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Big Block Chevrolet - Brodix SR20 - Dart 20 Degree - 12209TB-8 MSRP: Now: $1,465.29 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Big Block Chevrolet - Brodix SR20 - Dart 20 Degree - 12208HTB-8 MSRP: Now: $1,489.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Noonan Race Engineering - NRE - X1 Pro Mod - 12203B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Noonan Race Engineering - NRE - X1 Pro Mod - 12202HBC-8 MSRP: Now: $1,837.58 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Noonan Race Engineering - NRE - X1/Super 6 - 12201BC-8 MSRP: Now: $1,837.58 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Noonan Race Engineering - NRE - X1/Super 6 - 12201B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Noonan Race Engineering - NRE - X1/Super 6 - 12200HBC-8 MSRP: Now: $1,837.58 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Big Block Chevrolet - M&M X20 - 12175B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Big Block Chevrolet - M&M X20 - 12174B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Big Block Chevrolet - M&M X20 - 12173B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Valves 2.400 Head Dia - Set of 8 - 11998B-8 MSRP: $1,449.74 Now: $1,232.29 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - M&M Revolution - 11996B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - M&M Revolution - 11995B-8 MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - All Pro - 11993HTB-8 MSRP: Now: $1,443.38 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit Alan Johnson Performance Engines TFD, TFFC, and Nostalgia AJPE 6 - 11992B-8 MSRP: Now: $1,449.74 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit Alan Johnson Performance Engines TFD, TFFC, and Nostalgia AJPE 6 - 11992-8 MSRP: Now: $1,449.74 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - All Pro - 11991HTB-8 MSRP: Now: $1,443.38 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Valve 2.000 in. Diameter .3415 in. Stem, 5.020 in. Length - Set of 8 - 11989-8 MSRP: Now: $1,332.49 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - GB 2300 - 11988HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit for Small Block Chevrolet AFR Eliminator Heads - 11982TB-8 MSRP: Now: $1,363.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 11980HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SB Chevrolet LS7 Titanium Intake Valves 2.250 Head Dia 0.3135 Stem Dia - Set of 8 - 11978TBC-8 MSRP: $1,709.65 Now: $1,453.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12318-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12312-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12310-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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Diameter .3415 in. Stem, 5.020 in. Length - Set of 8 - 11989-8 MSRP: Now: $1,332.49 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - GB 2300 - 11988HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit for Small Block Chevrolet AFR Eliminator Heads - 11982TB-8 MSRP: Now: $1,363.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 11980HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SB Chevrolet LS7 Titanium Intake Valves 2.250 Head Dia 0.3135 Stem Dia - Set of 8 - 11978TBC-8 MSRP: $1,709.65 Now: $1,453.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12318-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12312-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12310-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.050in O/A Length, 0.3136in Stem - 12303-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12301-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12232HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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Diameter .3415 in. Stem, 5.020 in. Length - Set of 8 - 11989-8 MSRP: Now: $1,332.49 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - GB 2300 - 11988HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit for Small Block Chevrolet AFR Eliminator Heads - 11982TB-8 MSRP: Now: $1,363.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 11980HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SB Chevrolet LS7 Titanium Intake Valves 2.250 Head Dia 0.3135 Stem Dia - Set of 8 - 11978TBC-8 MSRP: $1,709.65 Now: $1,453.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12318-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12301-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12232HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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Diameter .3415 in. Stem, 5.020 in. Length - Set of 8 - 11989-8 MSRP: Now: $1,332.49 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - GB 2300 - 11988HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit for Small Block Chevrolet AFR Eliminator Heads - 11982TB-8 MSRP: Now: $1,363.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 11980HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SB Chevrolet LS7 Titanium Intake Valves 2.250 Head Dia 0.3135 Stem Dia - Set of 8 - 11978TBC-8 MSRP: $1,709.65 Now: $1,453.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12318-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.110in O/A Length, 0.3110in Stem - 12316-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12314-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12312-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12310-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.050in O/A Length, 0.3136in Stem - 12303-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12301-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12232HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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Diameter .3415 in. Stem, 5.020 in. Length - Set of 8 - 11989-8 MSRP: Now: $1,332.49 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - GB 2300 - 11988HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit for Small Block Chevrolet AFR Eliminator Heads - 11982TB-8 MSRP: Now: $1,363.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 11980HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SB Chevrolet LS7 Titanium Intake Valves 2.250 Head Dia 0.3135 Stem Dia - Set of 8 - 11978TBC-8 MSRP: $1,709.65 Now: $1,453.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12318-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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Diameter .3415 in. Stem, 5.020 in. Length - Set of 8 - 11989-8 MSRP: Now: $1,332.49 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - GB 2300 - 11988HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit for Small Block Chevrolet AFR Eliminator Heads - 11982TB-8 MSRP: Now: $1,363.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 11980HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SB Chevrolet LS7 Titanium Intake Valves 2.250 Head Dia 0.3135 Stem Dia - Set of 8 - 11978TBC-8 MSRP: $1,709.65 Now: $1,453.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12318-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12312-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12310-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12308-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.050in O/A Length, 0.3136in Stem - 12303-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12301-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12232HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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Diameter .3415 in. Stem, 5.020 in. Length - Set of 8 - 11989-8 MSRP: Now: $1,332.49 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - GB 2300 - 11988HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit for Small Block Chevrolet AFR Eliminator Heads - 11982TB-8 MSRP: Now: $1,363.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 11980HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SB Chevrolet LS7 Titanium Intake Valves 2.250 Head Dia 0.3135 Stem Dia - Set of 8 - 11978TBC-8 MSRP: $1,709.65 Now: $1,453.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12318-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12232HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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Diameter .3415 in. Stem, 5.020 in. Length - Set of 8 - 11989-8 MSRP: Now: $1,332.49 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - GB 2300 - 11988HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit for Small Block Chevrolet AFR Eliminator Heads - 11982TB-8 MSRP: Now: $1,363.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 11980HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SB Chevrolet LS7 Titanium Intake Valves 2.250 Head Dia 0.3135 Stem Dia - Set of 8 - 11978TBC-8 MSRP: $1,709.65 Now: $1,453.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12318-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.050in O/A Length, 0.3136in Stem - 12303-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12301-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12232HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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Diameter .3415 in. Stem, 5.020 in. 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Diameter .3415 in. Stem, 5.020 in. Length - Set of 8 - 11989-8 MSRP: Now: $1,332.49 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - GB 2300 - 11988HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit for Small Block Chevrolet AFR Eliminator Heads - 11982TB-8 MSRP: Now: $1,363.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 11980HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SB Chevrolet LS7 Titanium Intake Valves 2.250 Head Dia 0.3135 Stem Dia - Set of 8 - 11978TBC-8 MSRP: $1,709.65 Now: $1,453.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12318-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.050in O/A Length, 0.3136in Stem - 12303-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12301-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12232HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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Diameter .3415 in. Stem, 5.020 in. Length - Set of 8 - 11989-8 MSRP: Now: $1,332.49 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - GB 2300 - 11988HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit for Small Block Chevrolet AFR Eliminator Heads - 11982TB-8 MSRP: Now: $1,363.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 11980HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SB Chevrolet LS7 Titanium Intake Valves 2.250 Head Dia 0.3135 Stem Dia - Set of 8 - 11978TBC-8 MSRP: $1,709.65 Now: $1,453.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12318-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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Diameter .3415 in. Stem, 5.020 in. Length - Set of 8 - 11989-8 MSRP: Now: $1,332.49 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - GB 2300 - 11988HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit for Small Block Chevrolet AFR Eliminator Heads - 11982TB-8 MSRP: Now: $1,363.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 11980HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SB Chevrolet LS7 Titanium Intake Valves 2.250 Head Dia 0.3135 Stem Dia - Set of 8 - 11978TBC-8 MSRP: $1,709.65 Now: $1,453.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12318-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.050in O/A Length, 0.3136in Stem - 12303-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12301-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12232HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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Diameter .3415 in. Stem, 5.020 in. 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Diameter .3415 in. Stem, 5.020 in. Length - Set of 8 - 11989-8 MSRP: Now: $1,332.49 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - GB 2300 - 11988HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit for Small Block Chevrolet AFR Eliminator Heads - 11982TB-8 MSRP: Now: $1,363.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 11980HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SB Chevrolet LS7 Titanium Intake Valves 2.250 Head Dia 0.3135 Stem Dia - Set of 8 - 11978TBC-8 MSRP: $1,709.65 Now: $1,453.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12318-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.050in O/A Length, 0.3136in Stem - 12303-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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Diameter .3415 in. Stem, 5.020 in. 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Diameter .3415 in. Stem, 5.020 in. 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Diameter .3415 in. Stem, 5.020 in. 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Diameter .3415 in. Stem, 5.020 in. 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Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - All Pro - 11993HTB-8 MSRP: Now: $1,443.38 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit Alan Johnson Performance Engines TFD, TFFC, and Nostalgia AJPE 6 - 11992B-8 MSRP: Now: $1,449.74 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit Alan Johnson Performance Engines TFD, TFFC, and Nostalgia AJPE 6 - 11992-8 MSRP: Now: $1,449.74 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - All Pro - 11991HTB-8 MSRP: Now: $1,443.38 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Valve 2.000 in. Diameter .3415 in. Stem, 5.020 in. Length - Set of 8 - 11989-8 MSRP: Now: $1,332.49 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - GB 2300 - 11988HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit for Small Block Chevrolet AFR Eliminator Heads - 11982TB-8 MSRP: Now: $1,363.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 11980HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SB Chevrolet LS7 Titanium Intake Valves 2.250 Head Dia 0.3135 Stem Dia - Set of 8 - 11978TBC-8 MSRP: $1,709.65 Now: $1,453.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12318-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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Quick view Details Manley Performance Manley Titanium intake Valve Kit Alan Johnson Performance Engines TFD, TFFC, and Nostalgia AJPE 6 - 11992B-8 MSRP: Now: $1,449.74 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit Alan Johnson Performance Engines TFD, TFFC, and Nostalgia AJPE 6 - 11992-8 MSRP: Now: $1,449.74 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - All Pro - 11991HTB-8 MSRP: Now: $1,443.38 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Valve 2.000 in. Diameter .3415 in. Stem, 5.020 in. Length - Set of 8 - 11989-8 MSRP: Now: $1,332.49 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - GB 2300 - 11988HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit for Small Block Chevrolet AFR Eliminator Heads - 11982TB-8 MSRP: Now: $1,363.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 11980HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SB Chevrolet LS7 Titanium Intake Valves 2.250 Head Dia 0.3135 Stem Dia - Set of 8 - 11978TBC-8 MSRP: $1,709.65 Now: $1,453.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12318-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12312-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12310-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12308-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.050in O/A Length, 0.3136in Stem - 12303-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12301-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12232HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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Quick view Details Manley Performance Manley Titanium intake Valve Kit Alan Johnson Performance Engines TFD, TFFC, and Nostalgia AJPE 6 - 11992-8 MSRP: Now: $1,449.74 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - All Pro - 11991HTB-8 MSRP: Now: $1,443.38 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Valve 2.000 in. Diameter .3415 in. Stem, 5.020 in. Length - Set of 8 - 11989-8 MSRP: Now: $1,332.49 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - GB 2300 - 11988HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit for Small Block Chevrolet AFR Eliminator Heads - 11982TB-8 MSRP: Now: $1,363.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 11980HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SB Chevrolet LS7 Titanium Intake Valves 2.250 Head Dia 0.3135 Stem Dia - Set of 8 - 11978TBC-8 MSRP: $1,709.65 Now: $1,453.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12318-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.110in O/A Length, 0.3110in Stem - 12316-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12314-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12312-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12310-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12308-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12301-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12308-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.050in O/A Length, 0.3136in Stem - 12303-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12301-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12232HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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Quick view Details Manley Performance Manley Titanium Valve 2.000 in. Diameter .3415 in. Stem, 5.020 in. Length - Set of 8 - 11989-8 MSRP: Now: $1,332.49 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - GB 2300 - 11988HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium Exhaust Valve Kit for Small Block Chevrolet AFR Eliminator Heads - 11982TB-8 MSRP: Now: $1,363.09 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Titanium intake Valve Kit - Small Block Chevrolet - All Pro - 11980HTBC-8 MSRP: Now: $1,799.67 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley SB Chevrolet LS7 Titanium Intake Valves 2.250 Head Dia 0.3135 Stem Dia - Set of 8 - 11978TBC-8 MSRP: $1,709.65 Now: $1,453.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12318-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12312-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12310-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12308-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.050in O/A Length, 0.3136in Stem - 12303-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12301-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12232HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12232HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12308-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.050in O/A Length, 0.3136in Stem - 12303-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12232HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.110in O/A Length, 0.3110in Stem - 12316-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12314-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12312-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12310-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12308-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12318-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.110in O/A Length, 0.3110in Stem - 12316-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.110in O/A Length, 0.3110in Stem - 12316-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12314-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.050in O/A Length, 0.3136in Stem - 12303-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12232HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12314-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12312-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12310-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12308-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.050in O/A Length, 0.3136in Stem - 12303-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12312-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12310-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12308-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.050in O/A Length, 0.3136in Stem - 12303-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12301-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12232HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12310-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12308-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... 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MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12301-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12232HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12231TBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12224HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12223TBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.080in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12308-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.050in O/A Length, 0.3136in Stem - 12303-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12301-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12232HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12306-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.050in O/A Length, 0.3136in Stem - 12303-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12301-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12232HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12231TBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12230HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12229TBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.050in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12304-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.050in O/A Length, 0.3136in Stem - 12303-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12301-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12232HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.050in O/A Length, 0.3136in Stem - 12303-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12301-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12232HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12231TBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12230HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12229TBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12228HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12227TBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12226HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12225TBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12302-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12301-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12232HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12229TBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12228HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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Quick view Manley Performance Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O/A Length, 0.3136in Stem - 12301-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12232HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12231TBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12230HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12229TBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12228HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12227TBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12226HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12225TBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.020in Head Dia. 4.935in O/A Length, 0.3133in Stem - 12300-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems... MSRP: $257.20 Now: $192.91 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12232HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12231TBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12230HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Exhaust Valve Kit - Small Block - ASCS and Wissota - 12229TBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,770.19 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Small Block - ASCS and Wissota - 12228HTBCF-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... 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Quick view Manley Performance Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - All Pro - 12215HTBC-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,837.58 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium Exhaust Valve Kit - Big Block Chevrolet - Brodix SR20 - Dart 20 Degree - 12213B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Noonan Race Engineering - NRE - X1/Super 6 - 12212HBC-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended...
Quick view Manley Performance Manley Titanium Exhaust Valve Kit - Big Block Chevrolet - Brodix SR20 - Dart 20 Degree - 12213B-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended... MSRP: Now: $1,435.62 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Titanium intake Valve Kit - Noonan Race Engineering - NRE - X1/Super 6 - 12212HBC-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended...
Quick view Manley Performance Manley Titanium intake Valve Kit - Noonan Race Engineering - NRE - X1/Super 6 - 12212HBC-8 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended...