Gaskets & Seals

SCE Gen III/IV LS 3.945 Bore MLS Head Gasket M209451 Gen III/IV LS 3.945" Gasket Bore x 0.051" Compressed Thickness. Sold individually. Gas-Stopper option provides greater sealing capability Proprietary coating provides superior cold sealing No...

SCE Gen III/IV LS 3.945 Bore MLS Head Gasket M209439 Gen III/IV LS 3.945" Gasket Bore x 0.039" Compressed Thickness. Sold individually. Gas-Stopper option provides greater sealing capability Proprietary coating provides superior cold sealing No...

LSXceleration GM LS7 MLS 3-Layer Head Gasket 14-82179 4.153" (105.5mm) bore x .052" (1.33mm) thickness x 3-layer MLS. Same as Chevrolet Performance 12582179.