If you've upgraded your truck’s front end to 5 lug disc brakes, now is the time to upgrade the rear. This Rear Axle Conversion Kit will convert your 6 lug rear end to 5x5, giving you a lot more wheel options to choose from. Rear axle conversion kit includes 5 lug axles and brake drums, 1/2" wheel studs and a 12 bolt differential gasket. Axles have a 3.1" diameter center hub. Existing brake hardware can be reused.