Made in USA. Melling high performance billet aluminum oil pumps provide dependable performance every time in every application under the toughest RPM conditions. The Melling billet aluminum oil pump series features a light weight 6061 T-6 aluminum housing and cover, a protective anodized hard coat, standard volume and high volume patented billet Shark Tooth gears, chrome moly steel drive shaft with extra shaft support, adjustable integrated oil pump screen, multiple pressure settings, CNC machining to exact tolerances and surface finishes, and supercharged inlet for improved performance. Includes additional pressure springs. Every Melling high performance oil pump is individually tested for pressure and flow under actual engine operating conditions. Melling high performance oil pumps are available for increased oil flow, increased oil pressure, anti-cavitation capability and overall higher performance when needed. The Melling high performance Billet Aluminum series oil pumps are recommended for street, strip, and racing applications.