Cylinder Heads

Cometic Dart LS Next 4.200 Bore MLx Head Gasket C15363-052, Left Side Dart LS Next 4.200" Bore. 0.052" Compressed Thickness MLx Gaskets utilize an integrated "stopper" layer for combustion chamber sealing and improved clamp load around the cylinder...

LSXceleration Stainless Steel 8mm x 1.600 LS Exhaust Valve Set 15-21600-8 Stainless Steel LS Valves 1.600" Head x 8mm Stem x 4.915" OAL x 0.202" Tip x 45 degree valve seat angle Features: Hardened Stem Tip Chrome Plated Stem Fully Machined Surface Swirl...

Cometic LS 4.100 Bore MLS Head Gasket C5489-060 LS 4.100" Bore. 0.060" 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...

LSXceleration Stainless Steel 8mm x 2.020 LS Intake Valve 15-22020-1 Stainless Steel LS Valves 2.020" 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 Polished...

Cometic Gen V LT1/4 4.150 Bore MLx Head Gasket C15203-060 Gen V LT1/LT4 4.150" Bore. 0.060" Compressed Thickness MLx Gaskets utilize an integrated "stopper" layer for combustion chamber sealing and improved clamp load around the cylinder without...

Cometic Dart LS Next 4.200 Bore MLx Head Gasket C15362-052, Right Side Dart LS Next 4.200" Bore. 0.052" Compressed Thickness MLx Gaskets utilize an integrated "stopper" layer for combustion chamber sealing and improved clamp load around the cylinder...

Cometic Gen V LT1/4 4.200 Bore MLx Head Gasket C15202-051 Gen V LT1/LT4 4.200" Bore. 0.051" Compressed Thickness MLx Gaskets utilize an integrated "stopper" layer for combustion chamber sealing and improved clamp load around the cylinder without...

Cometic Gen V LT1/4 4.100 Bore MLx Head Gasket C5038-028 Gen V LT1/LT4 4.100" Bore. 0.028" Compressed Thickness MLx Gaskets utilize an integrated "stopper" layer for combustion chamber sealing and improved clamp load around the cylinder without...

LSXceleration Stainless Steel 8mm x 2.000 LS Intake Valve Set 15-22000-8 Stainless Steel LS Valves 2.165" 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...

LSXceleration XF3 Billet Rocker Arm Stand 15-XF3RS Rocker arm stand for LSXceleration XF3 cylinder heads. These will not work with OEM heads. Features: 6061 aircraft grade aluminum Made in the USA       

Cometic LS 3.810 Bore MLS Head Gasket C15361-051 LS 3.810" 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...

Cometic LS 4.100 Bore MLS Head Gasket C5489-080 LS 4.100" Bore. 0.080" 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...