Description
Upgrading your Ford 9-inch or 8-inch rear axle to disc brakes doesn’t require a complete rebuild or a premium price tag. This bolt-on kit delivers the stopping power and reliability of modern disc brakes while fitting seamlessly over your existing housing. Whether you’re building a street machine, weekend track car, or restomod, you’ll gain superior modulation, consistent fade-free performance, and easier maintenance—all without fabrication headaches.
What’s Included:
- Two bolt-on caliper brackets
- Two 11.25″ vented rotors
- Two GM metric emergency brake calipers
- Brake pads and hardware
Technical Specifications:
- Fits Ford 9-inch rearends
- Fits Ford 8-inch rearends
- Rotor center hole: 2.780″
- Bolt pattern: 5 on 4.5″
- Bolt pattern: 5 on 4.75″
- Maximum axle flange: 6.25″ O.D.
- Compatible with big bearing housings
- Axle offset minimum: 2.375″
- Axle offset maximum: 2.5″
- Installation type: Bolt-on
- MPN: 91031921









