1977-1990 B-Body Crossmember | RCB3-700
- Fits Models: Caprice, Impala, Biscayne, Electra, Le Sabre, Catalina, Bonneville, Delta 88, Starfire, Delmont, Custom Cruiser, Estate Wagon, Parisienne, Riviera, Safari
- Fits Years: 77-90
- Fits Transmissions: 700R4, 4L60, 4L60E, TKO 500, TKO 600
- The RCB3-700 is designed for the 700R4 transmission with a case mount transmission mount. For a 700R4 with a tailshaft mount purchase the RCB3-400 crossmember instead.
- Engineered with 2 mounting slots to accept a standard height transmission mount.
- We recommend a polyurethane transmission mount. The GMTM is sold separately.