Gaskets & Seals

SCE LS 4.150 Bore Vulcan Cut-Ring Head Gasket CR201559 LS 4.150" Gasket Bore x 0.059" Compressed Thickness. Sold individually. A hybrid design forged to harness the best sealing properties of two head gasket types. COMPOSITE - Pliable, perforated...

Cometic LS 3/4 V8 Small Block 4.100 Bore Copper Head Gasket - .050" C15408-050  Cometic copper head gaskets create a tight seal you can depend on. These gaskets are made out of a premium soft copper that is specifically designed to create a seal...

LSXceleration GM LS3 MLS 5-Layer Head Gasket Set 14-10046-2 4.094" (104mm) bore x .052" (1.33mm) thickness x 5-layer MLS. Same as Chevrolet Performance 12610046.    

LSXceleration Gen V L83 L86 LT1 LT4 Valley Cover Gasket 14-23104 Engine Valve Lifter Oil Manifold Gasket

LSXceleration Gen IV LS Valley Cover Gasket Kit 14-10141 Kit Includes: Valley Cover Gasket AFM/DOD O-Ring Seals VVT Phaser Gasket

Cometic LS 4.000 Bore MLS Head Gasket C5477-045 LS 4.000" Bore. 0.045" 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...

LSXceleration Gen III Valley Cover Gasket w/ Knock Grommets 14-58178G Steel Elastomer material. Like GM 12558178. Includes 2 knock sensor grommets.  

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...

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...

Chevrolet Performance Gen V L83 L86 LT1 LT4 Valley Cover Gasket 12623104 Engine Valve Lifter Oil Manifold Gasket

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    

Mahle GM Gen IV Lifter Valley Gasket MS19501 Perimeter Only