Wilwood AERO4 4-piston rear brake kit, electronic parking brake, Ford 9" Big Ford New Style ends, 14"
Fits: Ford 9" rear end with Big Ford New Style (late Torino, large 3.150" bearing) housing ends and 2.50" axle offset - the ends used on most aftermarket 9" housings for 1979+ Mustangs
- 14.00" diameter x 1.10" wide rotors: slotted, drilled & slotted
- 4-piston AERO4 calipers, black or red finish (choose below)
- Pads: BP-20 compound (slotted rotor versions), BP-10 compound (drilled & slotted rotor versions), Wilwood pad plate #6617
- Electronic parking brake: includes the control unit, switch, indicator and wiring harness - no parking brake cables needed
- Minimum wheel size: 18" - check the wheel clearance drawing in the Wilwood instructions before ordering
Mixing Fox and SN95 brake kits? Call us first.
If you are combining an SN95 (1994-2004) kit with a Fox (1979-1993) kit, or a Fox kit with an SN95 kit, please call us at (888) 378-8830 before ordering so we can run the calculations to make sure the kits will work together. If needed, we can ask Wilwood to do a no-cost caliper substitution to get the brake bias correct.
AERO4 Big Brake Rear Electronic Parking Brake Kits provide the ultimate Big Brake solution for popular muscle car rear axles that require a parking brake. Aero4 radial mount four piston calipers, 14" two-piece rotors, and high performance BP compound pads, provide optimized and balanced braking to compliment front big brake upgrades on all types of custom, show and high performance street machines. The unique Electronic Parking Brake caliper provides high torque static holding power for parking without mechanical cabling. Supplied with control unit and harness assembly, it simplifies installation and use.
Wilwood part numbers
| Part # | Caliper | Rotor | Pads |
| 140-15846 | Black | Slotted | BP-20 compound |
| 140-15846-D | Black | Drilled & slotted | BP-10 compound |
| 140-15846-DR | Red | Drilled & slotted | BP-10 compound |
| 140-15846-R | Red | Slotted | BP-20 compound |
Important – Read this!
- This item ships directly from the manufacturer.
- Within 2 business days of receiving your order a member of our Sales Team will contact you with the estimated ship date provided by the manufacturer.
- Please confirm your acceptance of that ship date ASAP.
- We will NOT process your order and take payment until we receive your acceptance of the estimated ship date.
- This special-order item can NOT be cancelled, and therefore no refund is possible once your order is processed.