Cylinder Head Accessories

Cometic LS 4.150 Bore MLx Head Gasket C5014-052 LS 4.150" 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 bore distortion...

Cometic LS 4.040 Bore MLx Head Gasket C5505-051 LS 4.040" Bore. 0.051" 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 LS 4.190 Bore MLS Head Gasket C5319-051 LS 4.190" 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 of...

Cometic LS 4.160 Bore MLS Head Gasket C5318-051 LS 4.160" 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 of...

Cometic LS 4.130 Bore MLS Head Gasket C5317-051 LS 4.130" 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 of...

Cometic LS 4.100 Bore MLS Head Gasket C5489-051 LS 4.100" 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 of...

Cometic LS 4.060 Bore MLS Head Gasket C5751-051 LS 4.060" 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 3.910 Bore MLS Head Gasket C5475-051 LS 3.910" 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 of...

Cometic LS 3.810 Bore MLS Head Gasket C15361-040 LS 3.810" Bore. 0.040" 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 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...

LSXceleration GM LS9 MLS 7-Layer Head Gasket 15-22033 4.100" bore x .053" thickness x 7-layer MLS. Made in Germany.    

Stock Replacement GM LS 1.590 Exhaust Valve 15-1590