1974 Pontiac Firebird Trans Am - 455 cubic inch (Y) engine. Additional standard and optional features include variable ratio power steering, power front disc brakes, power windows, air conditioning, TH400 automatic transmission, Rally gauge cluster, limited-slip differential, heavy duty suspension, (functional) shaker hood scoop, front fender air extractors, wheel opening air deflectors, front and rear spoilers, and the very desirable honeycomb wheels.