LS to SBC Adapter Plates Oldsmobile-F85-1965 For the 1975-1981 frames the

For the 1975-1981 frames the distance between the crossmember frame mounting holes is 31-3/4"

This is where we feel comfortable as a good stopping point for a stock engine with stock ring gaps

This system utilizes our Billet aluminum fuel rails

Years  Models 1972 Oldsmobile Cutlass

this will simplify your fuel system build immensely

LS to SBC Adapter Plates Oldsmobile-F85-1965 For the 1975-1981 frames theThese 3 8" thick Billet Aluminum adapter plates allow a LS Series Engine to be bolted to a vehicle originally equipped with a Small Block Chevy (SBC) engine. These adapters bolt to your LS series engine and have provisions for 4 different mounting locations for a standard 3 bolt SBC Motor mount. Includes: 2 aluminum adapter plates 6 flange head M10 bolts 8 flat head M10 bolts. The four positions of these mounts are 0. 100" , 0. 600" , 1. 860" , and 2.