Part Number MC604607 Chrome Water Pump Pulley 1 groove Chrome Crankshaft Pulley 2 groove 2 pulley set is for small block Chevy engines running a long water pump 1970 and up factory or if you have chosen to install a long water pump on any small block Chevy engine 283 327 350 383 400 This pulley set is for cars/engines running long water pump with alternator and power steering Small block Chevrolets with a long water pump will have the alternator on the passenger side of the engine Does not come with bolts.
