Melling LS Standard Volume, High Pressure Oil Pump

Melling improved the standard volume GM LS Gen III oil pump. Design changes to the housing, cover, and components together combine to improve the performance, durability, and capability of the oil pump. Melling has engineered this oil pump specifically for performance LS applications. Features include: Exclusive rotor design with improved strength Hard coat anodized aluminum housing Phosphate coated cast iron cover High pressure (+10 psi) spring installed Includes optional standard pressure spring Includes optional +25 psi spring for COPO applications Threaded pressure relief nut Uses 7/8” stock bolt-on oil pickup tube assembly Includes O-rings for oil pickup tube assembly