Gaskets & Seals

LSXceleration GM LS3 MLS 5-Layer Head Gasket 14-10046 4.094" (104mm) bore x .052" (1.33mm) thickness x 5-layer MLS. Same as Chevrolet Performance 12610046. Made in the USA    

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...

LSXceleration LS Truck Intake Manifold Gaskets 14-60413 (Cathedral Port) For GM LS Truck 4.8L 5.3L 6.0L with Cathedral Port.

LSXceleration MLS Head Gasket Set 14-98544 - 5.3L, 5.7L (Like GM 12498544) 3.937" Bore x 0.052" Compressed Thickness Multi-layer steel (MLS) cylinder head gaskets. Made in the USA    

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...

LSXceleration GM Gen V LT1/L86 6.2L MLS 5-Layer Head Gasket 14-88943 (Like GM 12688943) 4.0944" (104mm) bore x .0523" (1.33mm) thickness x 5-layer MLS.  Made in the USA    

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

Chevrolet Performance LSA/LS9 Intake Manifold Gaskets 19180613  

LSXceleration GM Gen V L83 5.3L MLS 5-Layer Head Gasket 14-22325 (Like 12622325) 3.835" (97.4mm) bore x .052" (1.33mm) thickness x 5-layer MLS. Made in Germany.    

Mahle GM Gen IV Lifter Valley Gasket MS19501 Perimeter Only

LSXceleration LS Rear Main Seal Set 13-1657 Includes rear main seal and rear cover gasket.

LSXceleration LS Rear Cover Gasket 13-39249 Fits all GM LS engines