DESCRIPTION --High-performance long-style chrome aluminum water pump. --Fits 1969-1987 Small Block Chevy or 90-degree V6 passenger cars, 1973-1989 light duty trucks. --Block to hub measurement is 6 15/16". --Large 3/4" bearing with 5/8" shaft. --Billet body and impeller provide tight clearances for excellent flow characteristics. --Pump will clear cam belt drives and most blower drives. --Standard rotation. --Including gaskets. --Package: Including all items in the pictures. Note: --Minor polish defects on the top of the Water Pump, Easily Fixed By Manual Work. --Professional Installation Is Highly Recommended (No Instruction Included).