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 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),... Add to Cart Add to Cart
Sold Out Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12354H-8 Compare $925.59 $694.99 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 Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-1 Compare $115.69 $86.99 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 LS-3 / L-99 (L-92 Head) 2.165in Head Diameter Pro Flo Intake Valves (Set of 8) - 12354-8 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),... Add to Cart Add to Cart
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 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
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
Sold Out Quick view Manley Performance Manley Chevrolet L-99 intake Valve Kit - 2.165in Head Dia. 5.200in O/A Length, 0.3133in Stem - 12350H-8 Compare $752.40 $564.99 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!
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
Quick view Manley Performance Manley Chevy LT-1 1.590 Head Diameter Pro Flo Exhaust Valves (Set of 8) - 12349-8 Compare $685.44 $514.99 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 marine enthusiasts, and Small Block Chevy restricted... 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
