AFCO 7250-0100 Ford 9 Inch Axle Brake Kit
Ford 9", 5 on 4.5" Bolt Pattern, 11.25 Inch Rotor Diameter, Vented Rotor Type, Natural
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These rear disc brake kits allow you to simply bolt disc brakes on your 9" Ford rearend. Includes two bolt-on caliper brackets, two vented rotors, two new GM Metric calipers and hardware. Has 5 x 4-1/2" bolt pattern.
Minor fitting to axle housing may be required.
- 11-1/4" one-piece vented iron rotors
- Caliper brackets
- Metric calipers, 2-1/2" pistons
- 10mm - 1.5 inlet
- Brake pad spacers
- AFCO C1 pads
- Medium-High temp rating
- Extremely rotor friendly, exceptional pad life
- Slide bolts
- All hardware included
NOTE: This bolt on brake kit is designed to be used on 8" and 9" housings using 3/8" retaining bolts. If you want to use it on a 9" housing with 1/2" bolts, you will need to use the 3/8" hardware to do so. Fits "old" and "new" style big bearing (3.150" bearing O.D.) Ford housings and with axle offsets of a minimum 2-3/8" to 2-1/2".
The inside diameter of this rotor will accept an axle flange that has a diameter of 6-1/4" or smaller. If your axle flange exceeds 6-1/4" in diameter, you will need machine your axle flange to decrease your axle flange diameter to fit this rotor as necessary.
When utilizing an aftermarket axle with disc brake conversion kits, it may be necessary to reduce the diameter of the axle flange to a diameter necessary to adequately fit inside the required Clearance I.D. that the brake hat/brake rotor will require. (see above diagram for illustration)
- Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
What's In The Kit
Speedway Replacement 11-1/4 Inch Rear Brake RotorPart # 91031039Qty x 2
AFCO 1251-1154 D154 1978-Up GM Metric PadsPart # 10612511154Qty x 1
GM Metric Disc Brake to 9 Inch Ford Bracket SetPart # 91031981Qty x 1
Ford 9 Inch Brake Bolt KitPart # 91031981-2Qty x 1
Speedway GM Brake Caliper Slider Slide BoltPart # 8352300542Qty x 4
AFCO 6635003 GM Metric RH Caliper, 2-1/2 Inch BorePart # 1066635003Qty x 1
AFCO 6635004 GM Metric LH Caliper, 2-1/2 Inch BorePart # 1066635004Qty x 1
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Q & A
Learn how to assemble one of our bolt on nine-inch Ford disc brake kits in this step-by-step guide.
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Learn how to assemble a rear axle assembly as we put together ours for the 410 Sprint Car Build. Our team of builders continues to make progress on the car!
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Follow along as Speedway Tech Kevin W. updates the brakes on his Bel Air with a modern disc brake conversion kit.