1955 last year for the 5 window. Just spent about $15000 on this truck in the last 3-4 mos. Have receipts. All has been rebuilt or is brand new with 50 miles on the truck. 100% Rebuilt GM V8 with small cam, have receipts, reworked heads, new valve sprigs, heads surfaced,detailed engine compartment, turbo 350 trans, complete brakes, rewire, new air conditioning,brand new complete interior upgrade, seats, door panels, kick panels carpet is all new. New power steering, power disc brakes up front, new calipers, discs, brake lines, new old style Americans, new Cooper 215/70/15 up front, 235/70/15 on the rear. All glass is good, window cranks are all new and work as should, wipers blinkers, gas tank all work properly.