Strange front brake kits include Strange 4-piston billet directional calipers, forged slotted steel rotors,scalloped aluminum hubs with Timken bearings, seals, 1/2" screw in studs, soft pads, billet aluminum mounts and all necessary mounting hardware.Fits the following GM vehicles with factory disc spindles and 4 3/4"bc. 79-87 Regal, 82-90 S10/S15 2wd, 79-87 El Camino, 79-87 Malibu, 79-88 Monte Carlo,79-88 Cutlass, 82-86 Bonneville, 79-87 Grand Prix, 79-81 Lemans.