Fits Rear; 11.50, Dual Wheels Rear Axle, 4.10 Axle Ratio, Anti-Spin Differential Rear Axle; Mega Cab; HD 2WD or Rear; 11.50, Dual Wheels Rear Axle, 4.10 Axle Ratio, Anti-Spin Differential Rear Axle, Anti-Lock 4-Wheel Disc Brakes; Mega Cab; HD 4WD or Rear; 11.50, Dual Wheels Rear Axle, 4.10 Axle Ratio, Anti-Spin Differential Rear Axle, Anti-Lock 4-Wheel Disc Brakes; Sedan/Quad Cab Short Wheelbase; HD 4WD or Rear; 11.50, Dual Wheels Rear Axle, 4.10 Axle Ratio, Anti-Spin Differential Rear Axle; HardTop/Quad Cab; Long Wheelbase; HD 2WD or Rear; 11.50, Dual Wheels Rear Axle, 4.10 Axle Ratio, Anti-Spin Differential Rear Axle, Anti-Lock 4-Wheel Disc Brakes; HardTop/Quad Cab; Long Wheelbase; HD 4WD or Rear; 11.50, Dual Wheels Rear Axle, 4.10 Axle Ratio, Anti-Spin Differential Rear Axle; Regular Cab; 8 Foot Bed; HD 2WD or Rear; 11.50, Dual Wheels Rear Axle, 4.10 Axle Ratio, Anti-Spin Differential Rear Axle, Anti-Lock 4-Wheel Disc Brakes; Regular Cab; 8 Foot Bed; HD 4WD