Ford 9 Inch Bolt-On Rear Disc Brake Kit w/ E-Brake Caliper
Part Number: 91031921SPEEDWAY MOTORS
- SKU:
- 91031921
- MPN:
- 91031921
- Condition:
- New
- Availability:
- Usually ships within 24 hours
- Weight:
- 20.00 LBS
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
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