MANLEY Pro-Flo Oil Pump [Standard Volume] (GM LS)

Manley oil pumps are engineered to provide optimum performance and reliability. Utilizing Melling's "Select Performance" series of oil pumps, Manley disassembles, hand ports and blueprints each pump for optimum performance. Hi-Performance engines require Hi-Performance oil pumps and these deliver the proper oil volume and pressure with minimum parasitic horsepower loss, cavitation and oil aeration.

Hard-coat anodized CNC machined aluminum housing with a phosphate coated CNC machined cast iron cover for improved oil pump performance and durability. Pump is supplied with a high pressure by-pass spring already installed providing a 10% increase in pressure over stock. Additional o-rings are also provided.

NOTE: Both LS oil pumps are modified to provide adequate clearance when installed on engines utilizing double row timing chain kits.