5.5HP 21CFM 181PSI V Type Twin Cylinder Air Compressor Pump Head Double Stage US. Psi V Type Twin Cylinder Air Compressor Pump Head Double Stage. Rated Pressure: 175 Psi (1.16Mpa). Driving Power: 4Kw (5.5Hp). Cylinder Diameter: 3.54 (90mm). Distance Of Screw Hole: 26cm14cm (10.2″5.5″). Rated Exhaust Volume: 0.6L/Min. Note: If…