These grade 5 socket head bolts are zinc plated for protection and appearance
8 V8 1977 - 1985 Ford F-350 351/5
4 V8 1968 - 1969 Ford F-250 390/6
Designed to plug and play with HyperSpark distributors and Holley EFI main harnesses with an ignition connector
GMC C35/C3500 Pickup (1968-1970)
1978-1988 TH350 G-Body Crossmember RCG-350 carburetor These grade 5 socket headFits Models: GM RWD G Body; Malibu, Monte Carlo, El Camino, Cutlass, Grand Prix, Regal, Century, LeMans, Caballero, Bonneville Fits Years: 78 88 Fits Transmissions: TH350, Muncie, Powerglide, T 10, Super T 10, Saginaw, TH200 If you are looking for improved performance check out our lighter weight, next generation of this transmission crossmember RCGNG 350BLK. What is a lightweight crossmember? Find out here. This crossmember has been redesigned to