This package facilitates the installation of the Reid Racing SFI bellhousings to a GM 4L80E transmission. This permits the adaptation of the GM 4L80E to small block, big block, and Gen 3 Hemi Chrysler engines; small block, big block and Modular/Coyote Ford engines; Buick, Cadillac, Oldsmobile and Pontiac engines; as well as update the case for Chevrolet applications. Includes precision machined and o-ringed oil pump body, aluminum adapter plate, and mounting hardware. Bellhousing sold separately. Requires 10.5" or smaller diameter torque converter.