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FORD 9", ø305mm, C5/C6

The KORE3 ø305mm Rear Big-Brake Kit for the venerable Ford 9" rear axle applications adapts high-performance, high-quality, 5th or 6th generation (C5/C6) Corvette brake components to your Ford 9" equipped vehicle.

Take advantage of the vast aftermarket support for both the Ford 9" and the C5/C6 Corvette brakes by combining the best of both worlds. Numerous rotors, calipers, and brake pads are available to suit nearly anybody's needs and/or budget, making the KORE3 Ford 9" big-brake conversion a nearly unbeatable combination for the rear of any muscle car, whether you're grocery getting, pro-touring, or a little bit of both.

Both Ford and the aftermarket offer several versions of the 9" housings with the most common described below. Dimensions represent H X W X Offset where H=Vertical Hole Separation, W=Horizontal Hole Separation, and Offset=Distance from Axle Shaft Flange to Outside of Bearing.

  • Small-Bearing (ø2.835"): 2.00 X 3.31 X 2.66
  • Big-Bearing (ø3.150"): 2.38 X 3.50 X 2.36
  • Big-Bearing Torino (ø3.150"): 2.00 X 3.56 X 2.50

Specify your housing when placing an order.


  1. This kit includes the parking brake compatible brackets with the big-bearing Torino & small-bearing applications, however none of the parking brake components.


  2. Standard rotor configuration is 5 x 4.75" with ø70.5mm center pilot (GM). Alternative rotor configurations are available. Please contact for details.


  3. Axle flanges may need to be machined to be less than ø5.9" outside diameter to properly mate with rotors.


  4. Minimum ø17" wheels are recommended, however not all ø17" wheels will fit . Verify wheel fitment prior to ordering using the appropriate KORE3 fitment template. Wheel fitment is the buyer's responsibilty. Please contact us if you have any questions regarding your specific application or the proper use of the templates.


  5. Vehicles equipped with staggered shocks may require two left hand calipers for proper caliper bleeder screw placement. The brackets are ambidextrous and can be installed facing forward or rearward, inline with the pinion.


The following items are included in this kit:

  • Installation instructions


  • KORE3 Ford 9" Big-Brake Bracket Kit (select below)


  • FlexKORE™ 2-piece Brake Line Kit


  • C5 Rear Caliper Kit (select below)


  • C5/C6 Rear Pad Kit (select below)


  • C5/C6 Rear Rotors (select below)


Build your kit selecting from the options below. If you have any questions regarding your specific application or don't see an option you may prefer, please don't hesitate to contact us.

Price: $808.00
Quantity:
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KORE3 News:

Notice: KORE3 is currently stocking reproduction C6 and C6 Z51 2-piston front and 1-piston rear calipers, they're on hand and ready to ship. Please contact us with any questions.


KORE3 is a dealer for Hydratech Braking Systems™, the industry leader in hydraulic brake assist conversions for the pro-touring market. Please plan for extended deliveries on all hydroboost units until further notice while they shift their production/mfg facilities.

Upcoming Closures:

Wed-Fri Nov 27th-29th

Mon-Fri Dec 23rd-27th

Wed Jan 1st


If you call us after business hours, or during a closure, we will return your call as soon as we can upon our return. Please Email us at info@kore3.com as well if you require a quicker response.