TODAY is a Great Day to visit our Store and order the parts you need for your truck ! ! !
My '77 K-30 with the 454/4sp measures 15 3/4" from the top of the axle tube (not the cast center housing) to the top of the frame rail.My son's '85 K-30 with the 350/4sp measures 16" measuring the same spot.My truck has an extra leaf added to the pack. His truck has stock GM three leaf springs.