Some other weights. All parts are totally bare unless noted. Note how much greater the weight of the springs are compared to all else.

body shell (body in white) with paint and minimum undercoating, 461 lbs.
R or L door, each, 32.
K frame, 33.
notchback trunk, 39.
hood, 56.
R or L fender w undercoating, each, 23.
rear axle w brake backing plates, 3rd member, rear yoke, 55.
drive shaft w front yoke, 15.
pair of rear springs w bushings, no shackles, no hangers, 87.
one front brake drum w outer races, 17.5.
pair of tail pipes, 12.
front sway bar w 2 mount brackets and cushions, 11.
2 mufflers, 2 head pipes for 340cid, no clamps, 38.