Cylinder Heads

Cometic LSX 4.100 Bore MLx Head Gasket C5076-040, Left Side LSX 4.100" Bore. 0.040" Compressed Thickness MLx Gaskets utilize an integrated "stopper" layer for combustion chamber sealing and improved clamp load around the cylinder without increasing bore...

Cometic LSX 4.100 Bore MLx Head Gasket C5075-040, Right Side LSX 4.100" Bore. 0.040" Compressed Thickness MLx Gaskets utilize an integrated "stopper" layer for combustion chamber sealing and improved clamp load around the cylinder without increasing bore...

Cometic LSX 4.185 Bore MLS Head Gasket C5935-051, Right Side LSX 4.185" 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...

Cometic LSX 4.185 Bore MLS Head Gasket C5936-051, Left Side LSX 4.185" 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...

Cometic LSX 4.125 Bore MLS Head Gasket C5934-051, Left Side LSX 4.125" 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...

Cometic LSX 4.125 Bore MLS Head Gasket C5933-051, Right Side LSX 4.125" 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...

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...

Ferrea Competition Plus 8mm x 1.615 x 24 Degree LS7 Exhaust Valves Ferrea Competiton Plus is their best quality racing valve series, engineered for high rpm, high horsepower, racing engines. They have unique features that enhance airflow. This series of...

Ferrea Competition Plus 8mm x 1.615 x 15 Degree LS7 Exhaust Valves Ferrea Competiton Plus is their best quality racing valve series, engineered for high rpm, high horsepower, racing engines. They have unique features that enhance airflow. This series of...

Manley Race Series Stainless 8mm x 1.615 LS7 Exhaust Valves Chrome Stems and Hard Tips Swirl Polished and Machined Intakes are “Pro Flo” for Improved Flow O.E. Style Radius Keeper Grooves

Manley Extreme Duty Stainless 8mm x 1.615 LS7 Exhaust Valves 11687-8 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...

Manley Severe Duty Stainless 8mm x 1.615 LS7 Exhaust Valves 11679-8 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...