Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12352-8 Compare $415.30 $311.99 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 materials (XH-428 for exhaust and NK-844 for intake),... Add to Cart Add to Cart
Quick view Manley Performance Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12352-1 Compare $51.91 $38.99 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 materials (XH-428 for exhaust and NK-844 for intake),... Add to Cart Add to Cart
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 Compare $270.06 $202.99 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 Add to Cart Add to Cart
Sold Out Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 2.125in Head Dia. 5.035in O/A Length, 0.3133in Stem - 12346-8 Compare $415.30 $311.99 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 materials (XH-428 for exhaust and NK-844 for intake),... Currently Out of stock. On order! Currently Out of stock. On order!
Quick view Manley Performance Manley Chevrolet LT1 6.2L 1.590in Head Diameter Race Master Exhaust Valve - Single - 12345-1 Compare $31.44 $23.99 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 Add to Cart Add to Cart
Quick view Manley Performance Manley SR 20 Brodix Severe Duty Series Stainless Steel Exhaust Valves 2.400in Dia 6.030 L - Set of 8 - 12344-8 Compare $415.30 $311.99 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 materials (XH-428 for exhaust and NK-844 for intake),... Add to Cart Add to Cart
Sold Out Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 Compare $401.42 $301.99 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 materials (XH-428 for exhaust and NK-844 for intake),... Currently Out of stock. On order! Currently Out of stock. On order!
Sold Out Quick view Manley Performance Manley Chevrolet Small Block Intake Valve Kit - 1.720in Head Dia. 4.911in O/A Length, 0.3415in Stem - 12342-8 Compare $415.30 $311.99 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 materials (XH-428 for exhaust and NK-844 for intake),... Currently Out of stock. On order! Currently Out of stock. On order!
Sold Out Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 Compare $251.58 $188.99 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 Currently Out of stock. On order! Currently Out of stock. On order!
Sold Out Quick view Manley Performance Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8 - 12340-8 Compare $415.30 $311.99 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 materials (XH-428 for exhaust and NK-844 for intake),... Currently Out of stock. On order! Currently Out of stock. On order!
Sold Out Quick view Manley Performance Manley Chevrolet Big Block Exhaust Valve Kit - 1.850in Head Dia. 5.500in O/A Length, 0.3415in Stem - 12339-8 Compare $401.42 $301.99 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 materials (XH-428 for exhaust and NK-844 for intake),... Currently Out of stock. On order! Currently Out of stock. On order!
Quick view Manley Performance Manley Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8) - 12338-8 Compare $415.30 $311.99 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 materials (XH-428 for exhaust and NK-844 for intake),... Add to Cart Add to Cart
