Cylinder Head Accessories

Manley LS3/L92/L99 Race Series Stainless 8mm x 1.590 Exhaust Valves 11621-8 Manley is known as one of the leading manufacturers of Racing Valves in the world. Manley Racer Series Stainless Steel Valves were engineered for Street Performance and Racing...

Chevrolet Performance Gen V L83, L86, LT1, LT4 Head Bolt 11611976 1 needed per engine

Cometic LSX 4.185 Bore MLS Head Gasket C5935-066, Right Side LSX 4.185" Bore. 0.066" Compressed Thickness MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel. The embossed outer...

Ferrea 6000 Series 8mm x 2.200 Super Flo LS Intake Valves These Hollow Stem Lightweight Valves are manufactured with a unique process that gun drill and micro polish the hollow stem cavity. These valves achieve a weight reduction of approximately 20 %...

Manley Gen V 6.2L LT1 Race Series Stainless 8mm x 1.590 Exhaust Valves 12345-8 Manley is known as one of the leading manufacturers of Racing Valves in the world. Manley Racer Series Stainless Steel Valves were engineered for Street Performance and...

Manley Race Series Stainless 8mm x 2.000 GM LS Intake Valves 11360-8 Manley is known as one of the leading manufacturers of Racing Valves in the world. Manley Racer Series Stainless Steel Valves were engineered for Street Performance and Racing...

Cometic LS 4.040 Bore MLx Head Gasket C5505-066 LS 4.040" Bore. 0.066" Compressed Thickness MLx Gaskets utilize an integrated "stopper" layer for combustion chamber sealing and improved clamp load around the cylinder without increasing bore distortion...

Cometic LS 4.060 Bore MLS Head Gasket C5751-051 LS 4.060" Bore. 0.051" Compressed Thickness MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel. The embossed outer layers of...

Cometic LS 4.100 Bore MLS Head Gasket C5489-036 LS 4.100" Bore. 0.036" Compressed Thickness MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel. The embossed outer layers of...

Ferrea Competition Plus Hollow Stem 8mm x 1.615 LS7 Exhaust Valves These Hollow Stem Lightweight Valves are manufactured with a unique process that gun drill and micro polish the hollow stem cavity. These valves achieve a weight reduction of...

LSXceleration Inconel 8mm x 1.600 LS Exhaust Valves 15-31600-8 Inconel LS Valve 1.600" Head x 8mm Stem x 4.915" OAL x 0.160" Tip Features: Hardened Stem Tip Ideal for Extreme Duty and Turbo Applications Chrome Plated Stem Fully Machined...

LSXceleration Stainless Steel 8mm x 2.050 LS Intake Valve Set 15-22050-8 Stainless Steel LS Valves 2.050" Head x 8mm Stem x 4.870" OAL x 0.160" Tip x 45 degree seat angle Features: Hardened Stem Tip Chrome Plated Stem Fully Machined Surface Swirl...