Sealed Power Camshaft Bearing - Standard Journal - Small Block Chevy 1145M Engine Cradle the number "31" indicates that

the number "31" indicates that the nozzle hole size is

3/8 in Inverted Flare Female to 5/8-20 in Male

Patent Pending Dual Pump Technology

Vehicle Applications: 1955 thru 1983 Chevrolet Cars and Trucks 6/8 Cylinders

Stock 2 Bolt Manifolds

Sealed Power Camshaft Bearing - Standard Journal - Small Block Chevy 1145M Engine Cradle the number "31" indicates thatProduct Description: Camshaft Bearing Standard Journal 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