where differenr rear bumpers an option

NO !!!! The true 442, and ralley 350 had dual trumpets cut aways in them F85's and Cutlass had plan bumpers.444, meant original 400 motor,4barrel carb, and 2 exhausts after 1970 455,with 365hp's and 496 lbs of torque .The ralley 350 had a 350 Rocket motor with 325 hp's 410 lbs of torque, and yellow, with black only . and lets not forget the 1969 Hurst Olds, it came with the 455 also, and came in ether White, with black and gold stripes, or Black, with gold stripesThe options where. W-30 motor, W-25 fiberglass air induction hood, W-27, aluminum rear end, yes the hole housing was aluminum, very rear!!!!, and the W-29 rear spoiler. hope this helps

One other thing, the true W-30's had RED fender wheel wells, you can spot them, a mile away!!!!!!!