Hooker Crossmember Adapter Kit - 78-88 G-Body 3552024-1169- S 4 x 2-1/4 in Primary

4 x 2-1/4 in Primary Tubes

2003-2004 GMC C5500 Topkick

1958-1961 Chevrolet Brookwood

3/8" NPT thread-in probe

Hooker Crossmember Adapter Kit - 78-88 G-Body 3552024-1169- S 4 x 2-1/4 in PrimaryFor installing 12644HKR transmission crossmember into 1978 88 G Body applications that were NOT equipped with a 200 4R transmission from the factory Vehicle Applications: 1980 1987 Oldsmobile Cutlass Cruiser 1978 1987 Oldsmobile Cutlass Supreme 1978 1987 Chevrolet Monte Carlo 1978 1987 Oldsmobile Cutlass 1978 1987 Buick Regal 1982 1987 Oldsmobile Cutlass Ciera 1978 1984 Oldsmobile Cutlass Calais 1978 1987 Oldsmobile Cutlass Salon 1978 1987 Chevrolet