Precision Oil Pumps Blueprinted Melling M-54DS. Fits all Pontiac 350,389,400,428,455 engines.
MELLING HIGH-VOLUME BLUEPRINTED OIL PUMP.The pump is a brand new Melling HV / 60PSI #M54DS PONTIAC SUPER-DUTY Street pump. Fits all Pontiacs 350,389,400,428,455 engines. Each pump is disassembled in groups of ten, passages are radiused and blended by hand, the mouting surface is machined flat. Housings & Gears are then Deburred by a vibratory polisher then cleaned. The Gears are then sprayed with TECH-LINE moly-coating and oven curred, then reassembled to precise tolerances by using a gear set with the correct clearance, The relief check-ball valve is cleaned and is re-installed with the existing spring & new hardware, Each cover plate is fastened with safety-wired aircraft bolts. All pumps are bench tested. Buy with confidence.