Belltech 3" Drop Spindle Set 1963-1970 GM C-10Fits: 1963 1970 GM C10 trucks 2WD 3" lowered ride height Powder coated high strength ductile iron castings Designed for use with factory ball joints & Tie Rod ends Retains original geometry, alignment, and ride quality Lower center of gravity for improved handling Note: Does not work with OEM drum brakes. Conversion to 71 72 GM C10 disc brakes or equivalent is required. The track width of your vehicle will be increased by approximately . 45" per side.