Cylinder Heads

AFR Mongoose LS 230cc Cathedral Port CNC Cylinder Heads AFR’s 230cc LS1/LS2/LS6 heads feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings, Titanium retainers and high quality components throughout. Recommended for...

AFR Mongoose LS 215cc Cathedral Port CNC Cylinder Heads AFR’s 215cc LS1/LS2/LS6 heads feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings, Titanium retainers and high quality components throughout. Recommended for...

AFR Mongoose LS 205cc Cathedral Port CNC Cylinder Heads AFR’s, MONGOOSE, LS1 Cathedral Port cylinder heads are 100% 5-AXIS CNC ported and made with A356 aluminum. All heads come with high quality components, such as...

LSXceleration Stainless Steel 8mm x 1.550 LS Exhaust Valve Set 15-21550-8 Stainless Steel LS Valves 1.550" Head x 8mm Stem x 4.915" OAL x 0.160" Tip x 45 degree valve seat angle Features: Hardened Stem Tip Chrome Plated Stem Fully Machined Surface Swirl...

LSXceleration Stainless Steel 8mm x 1.550 LS Exhaust Valve 15-21550-1 Stainless Steel LS Valves 1.550" Head x 8mm Stem x 4.915" OAL x 0.160" Tip Features: Hardened Stem Tip Chrome Plated Stem Fully Machined Surface Swirl Polished Undercut Stem 21.4N...

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...