10295, Standard Volume, High Pressure Gen III 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. It can be used in any GM Gen III application that uses Melling’s stock replacement M295 oil pump. 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