3-5 HP SINGLE STAGE. THIS SINGLE STAGE PUMP WILL FIT OR REPLACE MOST BRANDS. CAST-IRON CYLINDER AND FLYWHEEL. COMES W/ 10.63 OD FLYWHEEL AND AIR FILTER. We carry motors, compressor parts, rebuilding/tune-up kits for all major brands of air compressors. Give us a call! The item “ROLAIR 3-5HP SINGLE STAGE…