Our BLACKOUT 1963-70 Chevy truck and GMC truck disc brake conversion kits will set your build apart.You will get all items needed to convert your classictruck to disc brakes at the wheel. These disc brake conversion kits have great features including stock height or 2.5″ drop spindles and6 x5.5″ bolt patternrotors. Late model 1973-87 ball joints and tie rod ends are utilized improving front end geometry and makefuture replacements a snap.