[Prerunner1982]

For the front coils you need the HD coils in the LMC catalog. They only list Std and HD.

For the rear springs you may need to move the shackle mounts back to the rear holes for the 56" spring if you are putting in 3/4 ton leaf packs, unless you already have 56" springs. My 82 Chevy C10 (Camper Special) had the 56" springs and I think it even had 1 more leaf, my 87 GMC 1/2ton had 52" springs and 1 less spring than the 82 C10 had... both were longbeds.