Allstar Performance Alignment Tool for SB Chevy Rear Main Seal Adapters 1950592 Product Features:

Product Features:

Comes standard with rear facing vents that create a Venturi effect allowing air to exchange and circulate in the helmet white preventing dust and dirt from entering

Vehicle Applications: CHEVROLET SILVERADO/GMC SIERRA REGULAR CAB 14-18

and larger displacement street machines with typical operating ranges between 4000 to 8000 RPM depending on application

1977-1978 GMC G35

Allstar Performance Alignment Tool for SB Chevy Rear Main Seal Adapters 1950592 Product Features:Billet 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