engine turns over by hand maybe low mileage or rebuilt as there is alot of orange paint on it then again could of been rattle can rebuild. it was in a 68 wildcat no bolt ons no carb it ws gone before i got it. the p/s pump and alt i can still get. the engine was bolted to an automatic. heads have the part number block is a tr code head is a 15 and code 1237661 http://s161.photobucket.com/albums/t237/garyd75/buick gs 455 engine 1971/ 350$ obo ill take trade for rifles shotguns ammo work on my cars ect what do you have
