Allstar Performance SB Chevy Rear Main Seal Adapter for Late (87-Up) Oil Pan NW100020 As this visor stops 5mm

As this visor stops 5mm short of the lower sealing rubber when fully closed

Homologation: Snell-FIA CMR-2016

More about the Phantom Are you considering a switch to EFI or swapping in that late model motor

bars are 65" long overall with a 14" leg and constructed from 1-5/8" x

1987-1990 GMC R3500

Allstar Performance SB Chevy Rear Main Seal Adapter for Late (87-Up) Oil Pan NW100020 As this visor stops 5mmBillet 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