Sealed Power Main Bearing - Standard - GM W-Series 600090151 this is the adapter you

this is the adapter you need

DFVehicle Applications: 1962 thru 1977 Ford Cars and Trucks 8 CylindersVehicle Applications: 1962 thru 1977 Ford Cars and Trucks 8 Cylinders

nitrous and alcohol (carbureted/injected) approved

Economy type carburetors are calibrated lean for fuel economy and will not perform properly on this style of intake

RaceQuip faceshields (sometimes called helmet visors) are formed from 3mm thick distortion free high strength polycarbonate

Sealed Power Main Bearing - Standard - GM W-Series 600090151 this is the adapter youProduct Description: Main Bearing Standard GM W Series Sealed Power engine products are application engineered components, including pistons, piston rings, engine bearings, oil pumps and lifters. These proven replacement parts are the result of product development efforts, dedicated to putting only the absolute best on the street. Our engineers design and validate the engine parts to accommodate repowering engines due to wear. By leveraging this