Quick view Manley Performance Manley LS7 2.205 Severe Duty Pro Flo Intake Valve - 11688-1 Compare $50.18 $37.99 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-7 Small Block 1.610in Dia Extreme Duty Exhaust Valves (Set of 8) - 11687-8 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
Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block (L-92 Head) 2.165 Pro Flo Hollow Stem Intake Valves (Set of 8) - 11686H-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),... Add to Cart Add to Cart
Quick view Manley Performance Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8) - 11686-8 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 Chevy LS-3/L-99 Small Block (L-92 Head) Extreme Duty Exhaust Valves (Set of 8) - 11685-8 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
Quick view Manley Performance Manley Chevy LS-1/L-2 Small Block 2.100 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11684-8 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 Chevy LS-1/LS-2 w LS-6 Head Small Block 1.600 Severe Duty/Pro Flo Intake Valves (Set of 8) - 11683-8 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
Quick view Manley Performance Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) - 11682H-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),... Add to Cart Add to Cart
Sold Out Quick view Manley Performance Manley Chevrolet LS1intake Valve Kit - 2.080in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11682-8 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 Chevy LS-1/LS-2 4.923in Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 11681-8 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 LS1intake Valve Kit - 2.055in Head Dia. 4.874in O/A Length, 0.3133in Stem - 11680H-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 LS-1 Small Block 2.055 Pro Flo Severe Duty Exhaust Valves (Set of 8) - 11680-8 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
