non-stock - non-original options/accessories:
both trucks with all 6v equipment
1954 Suburban:
1960 261 (with spin-on oil filter) and GMC 270 2-barrel carburetor
seat belts on both rear seats
front seat need seat/shoulder belts
SM420 that was available but not stock/standard (added later by me)
shift pattern on shifter knob
3.55 Ring & Pinion
radial tires on original wheels/rims
stainless steel brake lines
1954 5-window 1/2-ton deluxe 3104 pickup
shoulder/seat belts
3.55 Ring & Pinion
original number-matching transmission/block with "848" head, and, with cam and valve modifications
radial tires on original wheels/rims
stainless steel brake lines