Moroso 63510 Moroso Chevrolet Small Block Water Pump Spacer Kit - Cast AluminumMoroso 63510 Moroso Chevrolet Small Block Water Pump Spacer Kit Cast Aluminum Water Pump Spacer Kit, 1 7 32" Long, SBC and 90 V6 Chevy, Cast Aluminum Converts Nos. 63500 short water pump to the longer late model design Converts "short" 1968 earlier design Chevrolet water pumps to longer, 1969 later design Includes hardware and gaskets