1978-1983 Next Gen G-Body Crossmember -TH400 with frame extension RCGNG-400KBLK pressure-plates 7L V8 289 CID T-10Q

7L V8 289 CID T-10Q and C4 Transmissions

25/8 V 1975 - 1986 GMC Jimmy 4/8 V 1976 - 1986 Chevrolet Camaro 3

1 L6 1968 - 1974 GMC C35/C3500 Pickup 250/4

Comes with Numerous Adapters

7L V8 1980 Pontiac Firebird Base 231/3

1978-1983 Next Gen G-Body Crossmember -TH400 with frame extension RCGNG-400KBLK pressure-plates 7L V8 289 CID T-10QFits Models: Malibu, Monte Carlo, El Camino, Cutlass, Grand Prix, Regal, Century, LeMans, Caballero, Bonneville Fits Years: 78 83 Fits Transmissions: TH400, 2004R Newly designed and manufactured by G Force Performance to be lighter weight for improved performance and still maintain the same quality as the original RCG 400K crossmember. We recommend a polyurethane transmission mount. The GMTM is sold separately. G force has developed a frame extension,