Gaskets & Seals

Chevrolet Performance GM Gen V LT1/L86 6.2L MLS 5-Layer Head Gasket 12688943 4.0944" (104mm) bore x .0523" (1.33mm) thickness x 5-layer MLS.     

Cometic LSX 4.150 Bore MLS Head Gasket w/SEG Rings, Left Side C15532-051 LS 4.150" Bore. 0.051" Compressed Thickness w/ SEG (Spring Energized Gasket) Rings, 6 Bolt Kit, LHS Extreme Sealing for High Horsepower Forced Induction Applications  The...

Cometic LSX 4.150 Bore MLS Head Gasket w/SEG Rings, Right Side C15531-051 LS 4.150" Bore. 0.051" Compressed Thickness w/ SEG (Spring Energized Gasket) Rings, 6 Bolt Kit, RHS   Extreme Sealing for High Horsepower Forced Induction Applications ...

Cometic LSX 4.185 Bore MLS Head Gasket C5936-051, Left Side LSX 4.185" 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...

Cometic LS 3.910 Bore MLS Head Gasket C5475-066 LS 3.910" Bore. 0.066" 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 C5505-051 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 LS9/LSA 4.100 Bore MLx Head Gasket C5986-051, Left 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...

Cometic LSX 4.185 Bore MLS Head Gasket C5935-051, Right Side LSX 4.185" 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...

Chevrolet Performance LS MLS Head Gasket Set 12498544 - 5.3L, 5.7L Multi-layer steel (MLS) cylinder head gaskets. Fits: 4.8L Vin Code (C) 5.3L Vin Codes (0, 3, B, J, M) 5.7L (LS1/LS6)    

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...

LSXceleration GM LS MLS Header Gasket 14-17944 (Like GM 12617944) Fits all LS engines Except LS7.

Cometic LSX 4.125 Bore MLS Head Gasket C5934-051, Left Side LSX 4.125" 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...