◆Compatibility:Compatible with Chevy SBC 265 283 305 327 350 383 400 Engines when using a short water pump.
◆Function:The pulley have deep grooves to prevent belt slippage and are good for replacing your old pulley.
◆High quality material:Develop from high quality billet aluminum,maximum durability,Deformation resistance, high strength, good wear resistance, high hardness, long life.
◆Size:Groove Quantity:3, Pulley Diameter is 6 9/16", Pulley is 2" Tall, Bolt Pattern is 2 3/4", Center Hole is 1 1/8".