JEGS CNC-machined billet 6061 aluminum construction housing features 50 GPM flow rate, billet aluminum impeller, clear anodize coating for corrosion protection and weighs only 6 lbs. Includes stainless steel hardware and a stainless steel jacketed inner seal. Accepts o-ring inlet and outlet fittings 555-50905 to 50909 (sold separately). Requires use of Y-block 555-50960 and 555-60965 or 60966 block adapters for SB-Chevy, BB-Chevy or SB-Ford (sold separately). Can also be utilized as a reverse flow unit by plumbing to the intake manifold inlet instead of through the Y-block. We also offer a matching and easy to use mounting bracket for 1-1/2'' to 1-3/4'' tubing (sold separately). Made In USA