Some of the features of the A990 cars are: single exhaust with large muffler behind the rear bumper, factory headers, no passenger wiper arm. Interior should be heater as well as radio delete no rear seat, no arm rests, passenger sun visor missing, coat hooks, dome light, no rear window regulators or crank arms, front seats are Bostrom buckets mounted on aluminum brackets. 4 speeds used the Dana rear axel and auto's used the 8 3/4.