Gaskets & Seals

Cometic LSX 4.200 Bore MLx Head Gasket C5077-040, Right Side LSX 4.200" 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...

Cometic LSX 4.200 Bore MLx Head Gasket C5078-040, Left Side LSX 4.200" 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...

LSXceleration GM Gen V 6.6L L8T MLS Head Gasket 14-88186 (Like GM 12688186) 4.0944" (104mm) bore x .0523" (1.33mm) thickness.    

FAST LSXR 102mm LS3/L76/L92/L99 Intake Port Seal

Cometic LS 3.910 Bore MLS Head Gasket C5475-040 LS 3.910" 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 of...

Cometic LS 4.040 Bore MLx Head Gasket C5505-066 LS 4.040" Bore. 0.066" 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 4.130 Bore MLS Head Gasket C5317-070 LS 4.130" Bore. 0.070" 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 Dart LS Next 4.200 Bore MLx Head Gasket C15362-040, Right Side Dart LS Next 4.200" Bore. 0.040" 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 C15363-040, Left Side Dart LS Next 4.200" Bore. 0.040" Compressed Thickness MLx Gaskets utilize an integrated "stopper" layer for combustion chamber sealing and improved clamp load around the cylinder...

MLS HEAD GASKETS – GM LS 6.0L, 6.2L *Fits VIN's K, Y 6.0L Engines Multi-layer steel (MLS) cylinder head gaskets.Increase torque and performance while decreasing oil consumption and emissions. The development goals in engine construction determine...

Cometic LS 3.910 Bore MLS Head Gasket C5475-030 LS 3.910" Bore. 0.030" 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 C5751-075 LS 4.060" Bore. 0.075" 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...