Cylinder Heads

Mahle Performance LS MLS Head Gasket 55043 - 4.100 Bore .051 Thickness 4.100" bore x .051" thickness MAHLE performance MLS head gaskets are comprised of 3 stainless steel layers. Sealing beads surround the combustion chamber and coolant passages...

Mahle Performance LS MLS Head Gasket 55041 - 3.910 Bore 3.910" bore x .051" thickness MAHLE performance MLS head gaskets are comprised of 3 stainless steel layers. Sealing beads surround the combustion chamber and coolant passages emphasizing clamp...

Chevrolet Performance LS MLS Head Gasket Set 12498544 - 5.3L, 5.7L ***For the same quality at a better price see our head gasket set  # 14-98544. Multi-layer steel (MLS) cylinder head gaskets. Fits: 4.8L Vin Code (C) 5.3L Vin Codes (0, 3, B, J,...

Chevrolet Performance MLS Head Gasket 12589226 - 5.3L, 5.7L Multi-layer steel (MLS) cylinder head gaskets. Fits: 4.8L Vin Code (C) 5.3L Vin Codes (0, 3, B, J, M) 5.7L (LS1/LS6)    

Mahle 4.8/5.3L LS MLS Head Gasket 54441 Multi-layer steel (MLS) cylinder head gaskets. Fits: 4.8L Vin Code (V) 5.3L LM4, LM7, L59 Vin Codes (P, T, Z) Increase torque and performance while decreasing oil consumption and emissions. The development...

Cometic MLS LS 4.100 Bore Head Gasket - .070 Compressed Thickness GM Gen III/IV Small Block V8 LS Series MLS Head Gasket 4.100" Bore. Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a viton rubber coating...

LSXceleration Stock Replacement GM LS 1.55 Exhaust Valve    

Ferrea 6000 Series 8mm x 1.550 Super Flo LS6 Exhaust Valves Competition swirl-polished valves with higher fatigue resistance and tensile strengths than the competitors’ best offering. These valves are made to withstand high spring pressure, roller...

Ferrea 6000 Series 8mm x 1.550 Flo LS Exhaust Valves Competition swirl-polished valves with higher fatigue resistance and tensile strengths than the competitors’ best offering. These valves are made to withstand high spring pressure, roller and...

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...

Manley LS1/LS2/LS6 Severe Duty Stainless 8mm x 1.550 Exhaust Valves 11673-8 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 LS1/LS2/LS6 Race Series Stainless 8mm x 1.550 Exhaust Valves 11361-8 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...