MaxTrac Suspension 101125H offers a 2.5" lowering spindles for your 2wd 1973-1987 GMC C10 (with 1.25" thick rotors).Maxtrac Suspension has one of the broadest lines of spindles, which cover both lowering and lifted applications. The 2.5" drop spindles are designed to be direct bolt on installation, not requiring any cutting or modification to your stock GMC C10. Maxtrac's one piece ductile steel spindles exceed OEM quality, maintain alignment, and keeps the stock ride quality true.