California Classic Chrome Part Number CCC537 Steel Triple Plated Copper/Nickel/Chrome Big Block Chevy Engines 1970 - Up LONG WATER PUMP Made From .050 Thick Steel Diameter is 6 1/4 Inches Double Groove Pulley Pulley Is for Long Water Pump 2 1/8 Inch Bolt Pattern diag Back Space Of 2 5/8 inches.
