Bought this trans a couple months ago thinking it was a reg th400 with plans to swap it in my skylark In place of the current th400....well long story short its not what i thought it was. Bought it as a used (4 to 6 passes on it) rebuilt unit with hardened input shaft, Kevlar bands, hd cluthes and whatnot inside.....is someone is looming for a strong sp trans here you go. Located in tucson,az $450 Used b4b....changed to an intake that lets me use the stock ram air cleaner $150 New in box 4 door black perforated yearone headliner....they nt the wrong one and didnt want this one back $85 Buickbert