Our 1971-72Chevy truck and GMC truck disc brake kits are high quality.Includesall items needed to replaceyour classictruckdisc brakes at the wheel. Ourdisc brake componentshave great features including 2.5″ drop spindles that fit your OE suspension parts. These disc brake systems not only upgrade your disc brakes, the spindlesuse the original ball joints and tie rod ends making future replacements a snap.