The Chevy SBC 283 327 350 400 Single Groove Water Pump Pulley is a vintage part made of steel by Chevrolet. This V-belt pulley is designed for specific Chevrolet engines and has a 7-inch diameter by 2.75-inch height. It features one groove, four bolt holes, and is made in the United States. This OEM part is a genuine Chevrolet product, making it a reliable choice for car enthusiasts looking to replace or upgrade their water pump pulley. This Pulley was Powder Coated Stone Black by Petes Powder Coating of Naples, Fl