Engineered exclusively for circle track applications with a 7" deep oil pan, pump has a durable billet aluminum housing and billet steel gears. Enlarged inlet and oil passages and adjustable oil pressure bypass to the pickup reduce aeration and lower oil temperatures. Includes oil pump pickup and a heat treated chrome moly driveshaft. Chromemoly bearings eliminate any possible wear to T6-6061 billet aluminum housing from the gear or the shaftAircraft quality chromemoly gear shaft eliminates fatigue due to any possible vibrations and excessive loadSteel billet gears are precisely matched for perfect gear mesh. Thrust washers and bearings are used to eliminate any drag from the gears, to support the weight of the drive shaft and gears and eliminate any possible wear to the housingFully adjustable oil pressure bypass is designed to return the oil to the pickup area, which reduces both aeration and oil temperaturePatent pending modular bottom feed pickup design can be interchanged to fit a variety of oil pan depthsEnlarged inlet and oil passages increase oil flow and efficiencyClears a 4-3/4 stroke with most aluminum rods without modificationsPit Stop USA offers CVR Performance Prolube Billet Aluminum Circle Track Oil Pump - SB Chevy w/ 7" Circle Track Oil Pan OPA35CT at low everyday prices. Be sure to check out all of our products from CVR Performance Products including CVR Performance Products Small Block Chevy Oil Pumps.