i have an 84 k20 that i bought in pieces, some parts are military k30 like the cab,bed, 6.2. i then bought a 14b, d44 from a junkyard, fenders from a suburban, doors and rad support from a 85 blazer, seat from a 78 big 10...etc its a real piecer...lol........4inch front springs, 35 bfg muds, 4:10 gears