Sealed Power Main Bearing - Standard - Small Block Chevy 4663MA SPC Performance 0 build 32 or higher

0 build 32 or higher and ECU firmware 4

3-7/8 in Outer Diameter

1970-1985 Chevrolet Monte Carlo

Antenna (2)

Sealed Power Main Bearing - Standard - Small Block Chevy 4663MA SPC Performance 0 build 32 or higherProduct Description: Main Bearing Standard Small Block Chevy 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