Gaskets & Seals

LSXceleration GM LS MLS Exhaust Header Gasket Set 14-17944-2 (Like GM 12617944) Fits all LS engines Except LS7. Sold as a pair.

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

LSXceleration GM LS Valve Cover Gaskets 14-37683G-2 All Gen 3 & Gen 4 LS Engines with center bolt valve covers.

LSXceleration Gen V LT4 MLS 7-Layer Head Gasket 14-54622 (Like GM 12654622) 4.0944" (104mm) bore x .053" (1.35mm) thickness x 7-layer MLS This is an OEM LT4 head gasket. Works great for LT1 and L86 engines as well. Made in Germany    

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 MX    

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 MX    

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 MX    

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  

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.