Engine Components - Valves - Mont Motorsports

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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

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10770-8

MSRP: $176.47

Now: $132.36

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11328-8

MSRP: $239.60

Now: $179.69

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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

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.111in O/A Length, 0.3415in Stem - 11744-8

MSRP: $382.30

Now: $286.72

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11330-8

MSRP: $239.60

Now: $179.69

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11584-8

MSRP: $239.60

Now: $179.69

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8

MSRP: $395.52

Now: $296.64

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.211in O/A Length, 0.3415in Stem - 11746-8

MSRP: $382.30

Now: $286.72

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11332-8

MSRP: $239.60

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11594-8

MSRP: $239.60

Now: $179.69

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8

MSRP: $382.30

Now: $286.72

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11334-8

MSRP: $239.60

Now: $179.69

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11336-8

MSRP: $239.60

Now: $179.69

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11510-8

MSRP: $395.52

Now: $296.64

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11770-8

MSRP: $395.52

Now: $296.64

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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

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.026in O/A Length, 0.3415in Stem - 11848-8

MSRP: $395.52

Now: $296.64

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12346-8

MSRP: $395.52

Now: $296.64

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11340-8

MSRP: $239.60

Now: $179.69

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8

MSRP: $239.60

Now: $179.69

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.110in O/A Length, 0.3110in Stem - 12320-8

MSRP: $257.20

Now: $192.91

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11866-8

MSRP: $395.52

Now: $296.64

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11342-8

MSRP: $239.60

Now: $179.69

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8

MSRP: $239.60

Now: $179.69

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11344-8

MSRP: $239.60

Now: $179.69

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8

MSRP: $395.52

Now: $296.64

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8

MSRP: $239.60

Now: $179.69

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11346-8

MSRP: $239.60

Now: $179.69

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8

MSRP: $395.52

Now: $296.64

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11348-8

MSRP: $239.60

Now: $179.69

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11508-8

MSRP: $395.52

Now: $296.64

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11768-8

MSRP: $395.52

Now: $296.64

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8

MSRP: $395.52

Now: $296.64

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11760-8

MSRP: $395.52

Now: $296.64

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11766-8

MSRP: $395.52

Now: $296.64

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.180in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12322-8

MSRP: $257.20

Now: $192.91

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.180in Head Dia. 5.110in O/A Length, 0.3110in Stem - 12324-8

MSRP: $257.20

Now: $192.91

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.200in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12326-8

MSRP: $257.20

Now: $192.91

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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.200in Head Dia. 5.110in O/A Length, 0.3110in Stem - 12328-8

MSRP: $257.20

Now: $192.91

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Manley Performance

Manley Chevrolet Small Block Severe Duty Exhaust Valves 1.500in Head Dia .3415in Stem - Set of 8 - 11747-8

MSRP: $382.30

Now: $286.72

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Manley Performance

Manley Chevy Big Block .100 Longer 11/32in Stem Dia Extreme Duty & Marine Intake Valves (Set of 8) - 11842-8

MSRP: $382.30

Now: $286.72

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Manley Performance

Manley Chevy Big Block .250 Longer 11/32in Stem Dia Severe Duty Intake Valves (Set of 8) - 11854-8

MSRP: $382.30

Now: $286.72

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Manley Performance

Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8

MSRP: $239.60

Now: $179.69

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Manley Performance

Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8 - 12340-8

MSRP: $395.52

Now: $296.64

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Manley Performance

Manley Chevy Big Block Chevy 1.880in Severe Duty Exhaust Valves - 12843-8

MSRP: $382.30

Now: $286.72

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Manley Performance

Manley Chevy Big Block Stock 3/8 inch Severe Duty Intake Valves (Set of 8) - 11562-8

MSRP: $382.30

Now: $286.72

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Manley Performance

Manley Chevy Big Block Street Flo Intake Valves 2.250in Head Dia - 10726-8

MSRP:

Now: $188.43

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Manley Performance

Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-1

MSRP: $110.18

Now: $82.64

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Manley Performance

Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8

MSRP: $652.80

Now: $489.59

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Manley Performance

Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8

MSRP: $382.30

Now: $286.72

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Manley Performance

Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1

MSRP: $47.79

Now: $35.84

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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 and hard tips are incorporated for enhanced longevity...

MSRP: $257.20

Now: $192.91
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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.040in O/A Length, 0.3415in Stem - 10770-8

High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity.Chrome Stems and Hard Tips: These valves feature chrome stems and...

MSRP: $176.47

Now: $132.36
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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11328-8

Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity...

MSRP: $239.60

Now: $179.69
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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 and hard tips are incorporated for enhanced longevity...

MSRP: $257.20

Now: $192.91
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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.111in O/A Length, 0.3415in Stem - 11744-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $382.30

Now: $286.72
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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11330-8

Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity...

MSRP: $239.60

Now: $179.69
CURRENTLY OUT OF STOCK Compare
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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11584-8

Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity...

MSRP: $239.60

Now: $179.69
CURRENTLY OUT OF STOCK Compare
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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11862-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $395.52

Now: $296.64
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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.211in O/A Length, 0.3415in Stem - 11746-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $382.30

Now: $286.72
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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11332-8

Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity...

MSRP: $239.60

Now: $179.69
CURRENTLY OUT OF STOCK Compare
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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11594-8

Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity...

MSRP: $239.60

Now: $179.69
CURRENTLY OUT OF STOCK Compare
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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11750-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $382.30

Now: $286.72
CURRENTLY OUT OF STOCK Compare
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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11334-8

Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity...

MSRP: $239.60

Now: $179.69
CURRENTLY OUT OF STOCK Compare
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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11336-8

Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity...

MSRP: $239.60

Now: $179.69
CURRENTLY OUT OF STOCK Compare
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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11510-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $395.52

Now: $296.64
CURRENTLY OUT OF STOCK Compare
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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11770-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $395.52

Now: $296.64
CURRENTLY OUT OF STOCK Compare
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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 and hard tips are incorporated for enhanced longevity...

MSRP: $257.20

Now: $192.91
CURRENTLY OUT OF STOCK Compare
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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.026in O/A Length, 0.3415in Stem - 11848-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $395.52

Now: $296.64
CURRENTLY OUT OF STOCK Compare
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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12346-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $395.52

Now: $296.64
CURRENTLY OUT OF STOCK Compare
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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11340-8

Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity...

MSRP: $239.60

Now: $179.69
CURRENTLY OUT OF STOCK Compare
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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.040in O/A Length, 0.3415in Stem - 11774-8

Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity...

MSRP: $239.60

Now: $179.69
CURRENTLY OUT OF STOCK Compare
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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.110in O/A Length, 0.3110in Stem - 12320-8

Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity...

MSRP: $257.20

Now: $192.91
CURRENTLY OUT OF STOCK Compare
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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.125in O/A Length, 0.3415in Stem - 11866-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $395.52

Now: $296.64
CURRENTLY OUT OF STOCK Compare
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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11342-8

Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity...

MSRP: $239.60

Now: $179.69
CURRENTLY OUT OF STOCK Compare
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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.140in O/A Length, 0.3415in Stem - 11776-8

Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity...

MSRP: $239.60

Now: $179.69
CURRENTLY OUT OF STOCK Compare
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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11344-8

Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity...

MSRP: $239.60

Now: $179.69
CURRENTLY OUT OF STOCK Compare
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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11754-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $395.52

Now: $296.64
CURRENTLY OUT OF STOCK Compare
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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11778-8

Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity...

MSRP: $239.60

Now: $179.69
CURRENTLY OUT OF STOCK Compare
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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11346-8

Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity...

MSRP: $239.60

Now: $179.69
CURRENTLY OUT OF STOCK Compare
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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11756-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $395.52

Now: $296.64
CURRENTLY OUT OF STOCK Compare
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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11348-8

Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity...

MSRP: $239.60

Now: $179.69
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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11508-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $395.52

Now: $296.64
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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11768-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $395.52

Now: $296.64
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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.340in O/A Length, 0.3415in Stem - 11758-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $395.52

Now: $296.64
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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.440in O/A Length, 0.3415in Stem - 11760-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $395.52

Now: $296.64
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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.150in Head Dia. 5.540in O/A Length, 0.3415in Stem - 11766-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $395.52

Now: $296.64
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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.180in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12322-8

Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity...

MSRP: $257.20

Now: $192.91
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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.180in Head Dia. 5.110in O/A Length, 0.3110in Stem - 12324-8

Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity...

MSRP: $257.20

Now: $192.91
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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.200in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12326-8

Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity...

MSRP: $257.20

Now: $192.91
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Manley Performance

Manley Chevrolet Small Block Intake Valve Kit - 2.200in Head Dia. 5.110in O/A Length, 0.3110in Stem - 12328-8

Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity...

MSRP: $257.20

Now: $192.91
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Manley Performance

Manley Chevrolet Small Block Severe Duty Exhaust Valves 1.500in Head Dia .3415in Stem - Set of 8 - 11747-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $382.30

Now: $286.72
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Manley Performance

Manley Chevy Big Block .100 Longer 11/32in Stem Dia Extreme Duty & Marine Intake Valves (Set of 8) - 11842-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $382.30

Now: $286.72
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Manley Performance

Manley Chevy Big Block .250 Longer 11/32in Stem Dia Severe Duty Intake Valves (Set of 8) - 11854-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $382.30

Now: $286.72
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Manley Performance

Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8

Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity...

MSRP: $239.60

Now: $179.69
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Manley Performance

Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8 - 12340-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $395.52

Now: $296.64
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Manley Performance

Manley Chevy Big Block Chevy 1.880in Severe Duty Exhaust Valves - 12843-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $382.30

Now: $286.72
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Manley Performance

Manley Chevy Big Block Stock 3/8 inch Severe Duty Intake Valves (Set of 8) - 11562-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $382.30

Now: $286.72
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Manley Performance

Manley Chevy Big Block Street Flo Intake Valves 2.250in Head Dia - 10726-8

High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity.Chrome Stems and Hard Tips: These valves feature chrome stems and...

MSRP:

Now: $188.43
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Manley Performance

Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-1

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $110.18

Now: $82.64
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Manley Performance

Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8

Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy: The hallmark of excellence in exhaust valve material...

MSRP: $652.80

Now: $489.59
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Manley Performance

Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $382.30

Now: $286.72
CURRENTLY OUT OF STOCK Compare
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Manley Performance

Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1

Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust...

MSRP: $47.79

Now: $35.84
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