650 plus shipping . Unit is polished and does show nice but is not show quality by any means . Seals are good no oil leaks , no shaft play . Had it on my car 2 seasons . Made 581 hp to the tire with a 2.95 and 6.7 lower . Previous owner said the blower had been rebuilt but I never checked on it as its been trouble free . Brian Ellis at vortech said this was one of the lowest serial number units he knew of still on the road when they had the Car in the booth at the American muscle show 2 years ago. Unit comes by itself - no pulley or tensioner . Serial No 00243. Only selling due to going to a bigger head unit .