I have a set of 4 (2 front, 2 rear) Rough Country N3 shocks that fit 1973-1987 Chevy and GMC K10 4wd PU with a 4-6" lift (Your vehicle needs to be lifted 4-6" for these to fit properly) Price is $240.00 for all 4 shocks. Price is FIRM. Photos taken from manufacturers website.
NOTE: Also fits 1973-1991 K5 Blazer and K15 Suburban.