Cylinder Head Accessories

Chevrolet Performance Gen V LT1/LT4 MLS Head Gasket 12654622 4.0944" bore x .053" thickness x 7-layer MLS See our 14-54622 for same OEM quality!    

Cometic LS9/LSA 4.100 Bore MLx Head Gasket C5985-051, Right Side LS9/LSA 4.100" Bore. 0.051" Compressed Thickness MLx Gaskets utilize an integrated "stopper" layer for combustion chamber sealing and improved clamp load around the cylinder without...

ARP 8740 Pro Series (DART LS Next Iron Block w/23 Bolt Head) Head Stud Kit 234-4341 - 12-Point These ARP Pro Series Head Bolts are made of 8740 (190,000 psi tensile strength) material and utilize a 12-point nut. They are cold-forged and heat...

Cometic Gen V LT1/4 4.100 Bore MLx Head Gasket C5038-051 Gen V LT1/LT4 4.100" 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 LS 4.060 Bore MLS Head Gasket C5751-060 LS 4.060" 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...

Cometic LS 4.100 Bore MLS Head Gasket C5489-045 LS 4.100" Bore. 0.045" 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...

Dart Stainless Steel GM LS 2.165 Intake Valve 21392165 Dart stainless steel valves are designed to withstand the pressures of high-lift roller cams and feature a head design that promotes high flow. They are constructed of high-strength stainless steel...

Cometic Dart LS Next 4.200 Bore MLx Head Gasket C15362-060, Right Side Dart LS Next 4.200" Bore. 0.060" Compressed Thickness MLx Gaskets utilize an integrated "stopper" layer for combustion chamber sealing and improved clamp load around the cylinder...

Cometic Dart LS Next 4.200 Bore MLx Head Gasket C15363-060, Left Side Dart LS Next 4.200" Bore. 0.060" Compressed Thickness MLx Gaskets utilize an integrated "stopper" layer for combustion chamber sealing and improved clamp load around the cylinder...

Cometic LSX 4.185 Bore MLS Head Gasket C5935-060, Right Side LSX 4.185" 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...

Cometic Gen V L83 3.875 Bore MLx Head Gasket C15426-052 Gen V L83 3.875" Bore. 0.052" Compressed Thickness MLx Gaskets utilize an integrated "stopper" layer for combustion chamber sealing and improved clamp load around the cylinder without increasing...

Cometic LS 4.060 Bore MLS Head Gasket C5751-080 LS 4.060" 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...