40% more feed than stock and 60% more scavenge. Fits as stock replacement. Assembles without O-rings on the pump housings, similar to the OEM and SE oil pumps. Billet 6061 aluminum. Increases oil pressure and scavenge (return) over stock. With 2 chromoly gerotor gears. • Billet 6061 aluminum • Increases oil pressure • 40% more pressure volume over stock • 60% more scavenge volume over stock • 2" Chrome Moly gerotor gears • Stock replacement • Made in the U.S.A.