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Big Block Chevy Standard Volume Oil Pump

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Product Description

Big Block Chevy Standard Volume Oil Pump
MELLING STANDARD VOLUME BLUEPRINTED OIL PUMP. The pump is a brand new Melling M 77 Pump Blueprinted by PRECISION OIL PUMPS. Fits all Chevy Big Block 396, 427, 454, 502 engines. Each pump is disassembled in groups of ten, the passages are radiused, blended and polished by hand. The Housings & Gears are then Deburred by a Vibratory Polisher then cleaned. The 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. If any questions call Precision Oil Pumps (559)325-3553 or pumpbldr@comcast.net

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