1977-1990 B-Body Crossmember af1 eliminates the need for welding

eliminates the need for welding and avoids any need for extra lines/ Y-blocks

351W 8cyl 2BBL

Tempest GTO

50% Ohio Sales Tax

This combo made 600hp@9lbs if boost on 93 octane through an unlocked converter on a our mustang dyno

1977-1990 B-Body Crossmember af1 eliminates the need for weldingFits Models: Caprice, Impala, LeSabre, Oldsmobile 88, Bonneville, Parisienne, Catalina Fits Years: 77 90 Fits Transmissions: 700R4, 4L60, Pre 1996 4L60E, TKO 500, TKO 600, TKX. This crossmember will fit 1996 and later 4L60E, and 4L65E transmissions for LS engine swaps. The RCB3 700 is designed for the 700R4 4l60E transmission with a case mount transmission mount. For a 700R4 with a tailshaft mount purchase the RCB3 400 crossmember instead. Engineered