PRICE REDUCED!!! 454 V8 Dynoed at 502hp, TH400 auto, new interior. This has the original 283 that goes with it, the 454 was recently built with roller rockers and a high rise intake and lots more ad-ons. This beast dynoed at 502hp! We have the dyno sheets to prove it. This Impala is very clean and well cared for, lady owned and driven… Lots of receipts from the restoration and rebuild.