Cylinder Heads

Chevrolet Performance LS3 Aluminum  Cylinder Head Assembly 12675871 Stock LS3 Replacement Cylinder Head. Add LSXceleration's 80540K1 XceleRate Series Dual Valve Spring Kit - 1.300! Heads are sold individually.

Chevrolet Performance LT CNC Aluminum Cylinder Head Assembly 19329839 Fully assembled 2.130" Intake / 1.590" Exhaust Valves. Heads are sold individually.

Cometic LS7 4.150 Bore MLx Head Gasket C5030-040 LS 4.150" 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 distortion...

Cometic Gen V LT1/4 4.100 Bore MLx Head Gasket C5038-066 Gen V LT1/LT4 4.100" Bore. 0.066" 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 C5038-064 Gen V LT1/LT4 4.100" Bore. 0.064" 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 C5038-052 Gen V LT1/LT4 4.100" Bore. 0.052" 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 C5038-040 Gen V LT1/LT4 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...

Cometic LS w/M.I.D. Sleeves 4.165 Bore MLS Head Gasket C5790-066 LS w/M.I.D. Sleeves 4.165" Bore .066" Compressed Thickness MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel...

Cometic LS w/M.I.D. Sleeves 4.165 Bore MLS Head Gasket C5790-060 LS w/M.I.D. Sleeves 4.165" Bore .060" Compressed Thickness MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel...

Cometic LS w/M.I.D. Sleeves 4.165 Bore MLS Head Gasket C5790-051 LS w/M.I.D. Sleeves 4.165" Bore .051" Compressed Thickness MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel...

Cometic LS w/M.I.D. Sleeves 4.165 Bore MLS Head Gasket C5790-045 LS w/M.I.D. Sleeves 4.165" Bore .045" Compressed Thickness MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel...

Cometic LS w/M.I.D. Sleeves 4.165 Bore MLS Head Gasket C5790-030 LS w/M.I.D. Sleeves 4.165" Bore .030" Compressed Thickness MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel...