Cylinder Heads

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 6000 Series 8mm x 1.600 Super Flo LS Exhaust Valves +.100 Long Competition swirl-polished valves with higher fatigue resistance and tensile strengths than the competitors’ best offering. These valves are made to withstand high spring...

Ferrea 6000 Series 8mm x 1.600 Super Flo LS Exhaust Valves - 24 Degree Competition swirl-polished valves with higher fatigue resistance and tensile strengths than the competitors’ best offering. These valves are made to withstand high spring...

Ferrea 6000 Series 8mm x 1.600 Super Flo LS Exhaust Valves - 15 Degree Competition swirl-polished valves with higher fatigue resistance and tensile strengths than the competitors’ best offering. These valves are made to withstand high spring...

Ferrea Competition Plus Hollow Stem 8mm x 1.600 LS Exhaust Valves +.100 Long 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 Hollow Stem 8mm x 1.600 LS 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 1.600 x 24 Degree LS 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 1.550 Super Flo LS 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...