Chevy / GMC C-Notches are designed to increase overall suspension travel on pickup / trucks that are utilizing lowering kits that caused limited rear axle travel. Although you can weld them up as well if you prefer.
3in Lowering Drop Spindle 1.25" Rotor For Chevrolet Chevy C10 2WD 1973-1987
For Chevrolet Chevy C10 1973-1987 2WD 3" Inch Lowering Drop Spindle 1.25" Rotor
For Chevrolet Chevy C10 2WD 1973-1987 3" Inch Lowering Drop Spindle 1.25" Rotor
Pair 3" in C-10 Lowering Drop Spindle 1.25" Rotor For Chevrolet Chevy C10 2WD
Pair For Chevrolet Chevy C10 2WD 3" in C-10 Lowering Drop Spindle 1.25" Rotor