Gaskets & Seals

Chevrolet Performance Gen V L83 L86 LT1 LT4 Crankshaft Rear Oil Seal Housing Gasket 12627520 Rear cover oil seal

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.     

Chevrolet Performance Gen V L83 L86 LT1 Intake Manifold Gaskets 12626354 Replacement intake port seal for Gen V L83, L86, LT1 engines. Sold individually, this is a replacement seal for a one port opening.

Chevrolet Performance RTV Engine Sealant 2.65 oz 88864346 Room temperature vulcanizing (RTV) sealant. This high viscosity product cures when exposed to air. The cured material has superior adhesion and elongation properties and is very resistant to...

Chevrolet Performance RTV Engine Sealant 5.3 oz 12378521 Room temperature vulcanizing (RTV) sealant. This high viscosity product cures when exposed to air. The cured material has superior adhesion and elongation properties and is very resistant to...

Chevrolet Performance Gen V LT Timing Cover Damper Seal 12634614 Fits Gm L83, L86, LT1, LT4

Chevrolet Performance LS7/LS9 Oil Line To Pan Seal 15217990 Engine Oil Cooler Line Seal

Chevrolet Performance LSA/LS9 Intake Manifold Gaskets 19180613  

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!    

LSX Block Rear Cover O-Ring Seal 19166181

LSX Block Rear Cam Thrust Plate O-Ring Seal 19166180

Chevrolet Performance GM LS9 MLSHead Gaskets 12622033 **For the same quality at a better price, see our head gasket # 15-22033. 4.100" bore x .053" thickness x 7-layer MLS