Precision Oil Pumps Blueprinted Melling M-57AHV Ford FE High Volume 5/16" Pump. For use with 5/16" Driveshaft
Melling M-57AHV blueprinted by PRECISION OIL PUMPS. Fits all FE Ford 352-427 Has the Larger HD 5/16" Drive. Requires Special Drive with 1/4" x 5/16" ends( Sold separately, available to winning bidder). This is the Strongest Combination Out There. Each pump is disassembled in groups of ten. All passages have casting flash removed, corners are radiused and blended by hand. Housings & Gears are Deburred by a Vibratory Polisher then cleaned. Gears are then sprayed with TECH-LINE moly-coating and oven curred. 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 pair with correct clearances will be installed. The relief- valve is De-burred with emmory cloth ,cleaned and is re-installed with the existing spring and new hardware. Each cover plate is also Vibratory Polished, cleaned and fastened with safety-wired aircraft bolts. All pumps are bench tested. Buy with confidence.