High volume pump 10% additional volume of oil features: patented helical asymmetrical steel gears. Reduced pressure ripple, reduced torque ripple, improved distributor operation, improved shaft and gear wear. Improved efficiency and performance. Relief valve spring has screw in plug. Includes  Chrome Moly steel intermediate shaft. Shaft with steel guide. Uses 3/4" diameter bolt on or press fit screens. Check for pan and crank clearance.
||Includes Optional Low Pressure Spring, Pinned Steel Drive Shaft Sleeve, Adjustable Valve, Gasket
||Overnight and Two Day shipping are not available for PO Box, APO/FPO/DPO or US Territory addresses.