SB Chevy Billet Aluminum cnc machined Circle Track Racing Oil Pumps Engineered for the rigors of circle track racing, these oil pumps feature rigid billet 6061 aluminum housings that are hard coat-anodized for added durability. Equipped with Shark Tooth helical asymmetrical billet steel gears and an integrated pickup screen designed for use with 7″ deep oil pans, High volume and come complete with chrome moly steel drive shaft, stud kit, and (2) relief springs. Please e-mail with questions.