Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8) - 12350-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8) - 12350-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Previous 1 2 Previous 1 2 Compare Selected × OK
Quick view Details Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8) - 12350-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8) - 12350-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Previous 1 2 Previous 1 2 Compare Selected × OK
Quick view Details Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8) - 12350-8 MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8) - 12350-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Previous 1 2 Previous 1 2 Compare Selected × OK
Quick view Details Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Details Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8) - 12350-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Previous 1 2 Previous 1 2 Compare Selected × OK
Quick view Details Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 MSRP: $401.42 Now: $301.07 Add to Cart Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8) - 12350-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Previous 1 2 Previous 1 2 Compare Selected × OK
Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 1.6in Head Dia. Severe Duty Exhaust Valves (Set of 8) - 12355-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8) - 12350-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Previous 1 2 Previous 1 2 Compare Selected × OK
Quick view Manley Performance Manley Chevrolet LS3 L-99 (L-92 Head) 1.600in Head Diameter Race Master Exhaust Valves (Set of 8) - 12353-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8) - 12350-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Previous 1 2 Previous 1 2 Compare Selected × OK
Quick view Manley Performance Manley Chevy Small Block LS3/L99 (L92 Head) 2.165in Head Diameter Race Flo Intake Valves (Set of 8) - 12350-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $270.06 Now: $202.55 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Previous 1 2 Previous 1 2 Compare Selected × OK
Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy... MSRP: $685.44 Now: $514.08 CURRENTLY OUT OF STOCK Compare Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Previous 1 2 Previous 1 2 Compare Selected
Quick view Manley Performance Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) - 12347-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive... MSRP: $401.42 Now: $301.07 Add to Cart Compare Previous 1 2 Previous 1 2 Compare Selected
