1978-1983 G-Body Crossmember- 4L80 with frame extension RCG-4L80K exhaust-side-pipes 1977-1978 Pontiac Grand Safari 4L80-E

1977-1978 Pontiac Grand Safari 4L80-E or 4L85-E Station Wagon Models Only

AP 642549 Bosal 079-4088 Magnaflow Interchange 23328 Walker 53271

4L V8 1967 Oldsmobile Cutlass Turnpike Cruiser 400/6

7L V8 1990 - 1998 Chevrolet K1500 WT 350/5

1978-1983 G-Body Crossmember- 4L80 with frame extension RCG-4L80K exhaust-side-pipes 1977-1978 Pontiac Grand Safari 4L80-EFits Models: GM RWD G Body; Malibu, Monte Carlo, El Camino, Cutlass, Grand Prix, Regal, Century, LeMans, Caballero, Bonneville Fits Years: 78 83 Fits Transmissions: 4L80E, 4L85E We recommend a polyurethane transmission mount. The GMTM is sold separately. G Force has developed a frame extension, GF FE100 to duplicate the longer frame on these early generation vehicles. The RCG 4L80K is pre packaged with the frame extension. The primary frame change on