Steel single-groove V-belt crankshaft pulley for Chevrolet small block engines using a short water pump. Measures 6.760 inches in diameter with a three-bolt mounting pattern. Available in chrome or black finish and designed for standard accessory drive speeds. Must be used with a matching Summit or Trans-Dapt steel water pump pulley for proper belt alignment. A durable, clean-looking pulley that helps reduce accessory drag for improved efficiency. Sold individually.