Chevy C10 Drop Spindles 2.5" Front Suspension Lower Fits 1963-1970 w/Disc Brakes. Fits 1963-1970 2wd Trucks W/ Disc Brake 1.25 Rotor 5x5 Bolt Pattern, Calipers are Standard GMTruck72 And Up. All of our parts, be it suspension parts, electrical parts, engine parts, body panels, drivetrain parts are ISO/TS16949 certified by quality manufactures from all across the globe.