Blueprinted Melling 10833 Ford 351W High Volume Race Pump. Fits 351W
MELLING HIGH-VOLUME RACE OIL PUMP, Blueprinted by PRECISION OIL PUMPS . The pump is a brand new Melling HV 351W Small Block race pump #10833. Each pump is disassembled in groups of ten for production purposes. All passages have casting flash removed, corners radiused, polished and blended by hand to Increase Flow. Housings & Gears are Deburred by a vibratory polisher to Reduce Wear & Cavitation. The Gears are then prepared and sprayed with TECH-LINE moly-coating to Reduce Friction and HP Loss. Three Critical Clearances are checked on reassembly; (1) Gear to Housing, (2) Mesh or Backlash,(3) Gear to Cover-plate. With ten gear sets to choose from, One set with the optimal clearances is installed.The relief valve is deburred with emmory-cloth to insure smooth operation, cleaned and re-installed with the existing spring & new hardware. Each cover plate is also Vibratory-Polished, cleaned, and is fastened with safety-wired aircraft bolts. The 351W race pump features additional use of a 460 style center gear and cover plate which provides support at both ends of the gear for extra strength for high RPM applications. Another feature over the M-83HV is that the race pump features a threaded valve plug to prevent the plug from coming out. This also makes removing the valve and spring for pressure changes or inspection very simple. All pumps are bench tested. Buy with confidence