Let's narrowit to an LA 70 challenger RT:
part----color----finish----remarks
k-member + engine mounts --- Black --- satin
LCA --- Cosmoline gold, natural steel (steel silver)
UCA --- Natural steel
Strut rods --- Natural steel
Brake caliper --- Natural iron (Gray)
Brake rotor --- Natural iron
Disc brake backing plate --- Black
Torsion bars --- black
Proportioning valve --- Natural brass 70 / cast iron 71+
Front swaybar --- Natural steel or Black ?
Front bumper brackets --- black
Steering rods/links/arms --- All natural cast iron
Idler arm, strut rod wahers --- brownish plating
Lower ball joints --- Natural cast iron
Front shocks --- black
Exhaust manifold --- Natural cast iron (Gray) with engine Orange overspray
Exhaust Pipes + resonators --- Natural steel
Transmission linkage --- Natural steel
Transmission crossmember --- black
Transmission mount --- Yellow
Transmission oil pan --- Silver/polished steel
Transmission body --- Natural cast aluminium
Driveshaft --- Natural steel
Leaf springs --- Natural steel
Rear end --- Black
Differential cover --- Natural cast iron
Drum brakes backing plates --- Natural steel
Brake drums --- Gray w/red face for road and raylee wheels
Brake lines, fuel lines --- Natural steel
Rear framerail transport brackets --- Natural iron
Rear shocks --- black
Exhaust bracket --- Natural steel
Axle bumper attaching plate --- Yellow
( why yella???) Trunk lid striker, trunk hinges, bars, front latch baseplate --- Body color
Emission control tube in trunk --- Natural steel
Fuel tank, fuel filler tube, fuel lines --- Natural steel
Horns, a/c compressor and lines, P/S pump, brake master cylinder --- black --- satin
brake booster --- black 70 / cad plated 71+
P/S gearbox --- Natural cast iron
Trunk lock, door lock --- Zinc coated, trunk lock screws body color
Door striker, door switch --- Not painted
Hood latch, Hood bracket, Hood latch spring --- Anodized steel –
dark Gray/black or brown phosphate?Hood lock --- partially zinc, partially phosphate ---
http://board.moparts.org/ubbthreads/upload2/5080191-DSC00001.JPGPark brake --- natural steel (upper) and satin black (lower)
Throttel, brake pedal --- natural steel
The above list is based on my observations only. I'm no expert so any remarks will be appreciated.