Allstar Performance SB Chevy Rear Main Seal Adapter for Early (Pre-86) Oil Pan GBDXX1 One kit works for all

One kit works for all sizes

not the older style cores some manufacturers offer

Allstar Electric Tire Prep Stand

Prime RF-9W

Allstar Performance SB Chevy Rear Main Seal Adapter for Early (Pre-86) Oil Pan GBDXX1 One kit works for allBillet aluminum adapter allows installation of a two piece style crankshaft seal and early (pre 1986) crankshaft into a 1986 and newer SB Chevy (pre LS) engine. Adapters include mounting hardware. Alignment tool ALL26127 (sold separately), is recommended to ensure proper installation and centering of adapter plate. Specialty items for the Shop, Trailer and Track. The Allstar Performance brand offers thousands of hard to find, specialty items that