Manley Performance

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

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

Discover the pinnacle of performance and racing excellence with Manley's Severe Duty? Valves. Exhaust valves crafted from XH-428 material and Intake valves from NK-844 material, these valves stand as...

Discover the pinnacle of performance and racing excellence with Manley's Severe Duty? Valves. Exhaust valves crafted from XH-428 material and Intake valves from NK-844 material, these valves stand as...

Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8)

Manley Chevrolet Big Block 4.560 Bore 4.250 Stk(STD Dec) 1.270 CD -3cc Dome Flat Top Piston Set of 8

Our "Pro Series" 4340 alloy steel crankshafts are available with many value packed and high-performance enhancing features for a wide range of domestic engine applications.

Manley Chevrolet Big Block 565 cid 4.600in Bore 4.250in Stroke +43cc Dome 14.0 CR Rotating Assembly

Manley Chevrolet Big Block Rotaing Assembly BBC 555 CID 4.250in Stroke 4.560in Bore -3cc

Manley Chevrolet Big Block Severe Duty/Pro Flo 5.325in O/A Length Intake Valves (Set of 8)

Our "Pro Series" 4340 alloy steel crankshafts are available with many value packed and high-performance enhancing features for a wide range of domestic engine applications.

Manley Chevrolet LS / LT1 .025in Longer 6.125in STD WEI Pro Series I Beam Connecting Rod - Set

Manley Chevrolet LS / LT1 .025in Longer 6.125in STD WEI Pro Series I Beam Connecting Rod - Single

Manley Chevrolet LS 4.000in Stroke Lightweight Pro Series Crankshaft (Not Balanced)

Manley Chevrolet LS 4.065in Bore 1.304in CD 4CC Platinum Series Dish Piston - Set of 8