For circle track and endurance racing engines. Black anodized finish with 0.10 inch thicker rear cover. Impeller is larger than others for max pressure. Impeller vanes dramatically increase flow rates. Equal distribution to both sides of black with in 1 piece. Only flows in one-direction for optimum efficiency. Product Features:For Circle Track And Endurance Racing EnginesBlack Anodized Finish w/0.10-in Thicker Rear CoverImpeller is Larger than Others For Max PressureImpeller Vanes Dramatically Increase Flow RatesEqual Distribution To Both Sides Of Block With 1pcOnly Flows in One-Direction for Optimum Efficiency
