For the customer that likes to tackle projects on his own RBS has found this to be a friendly to use rear bearing plate when converting a GM core for street use. Made from heat treated cast alum. this bearing plate has added strength over a stock bearing plate around the bearing bosses to provide miles and miles of smiles and trouble free use in your hot rod cruising down the road. Includes two polished billet alum. rear bearing caps with cad plated mounting hardware and two heat treated steel 5/16" dowel pins. Bearing plate will fit all 4-71, 6-71 large or small bore blowers and can be used on other aftermarket GM type blowers as well. Buyer can choose between satin or polished finish. RBS carries a complete supply of bearings and seals for this application which the buyer can purchase separate if they choose.