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Vehicle Info NeededWILWOODPART NUMBER: 950-140-15846-R
AERO4 Big Brake Rear Electronic Parking Brake Kit for Ford 9 Inch Rear End
$3,74373
Ships on 09/14/2026
Lowest Price GuaranteeFord
AERO4 Big Brake Rear Electronic Parking Brake KitRear End Axle: Ford 9 in. with Big Ford New Style Flange Axle Offset: 2.500 in. 4 Piston Caliper (Red Powdercoat) 14 in. GT Slotted Two-Piece rotor 18 in. Minimum Wheel Diameter
How to Measure Axle Offset & Rear End Housing Flange
Features:
- EPB (electronic parking brake) system requires zero cables or actuators
- 2400 plus pounds of clamping force with zero voltage or amp draw after actuated
- Kits designed to use 5 x 4.500 in., 5 x 4.750 in. or 5 x 5.000 in. bolt patterns
- Includes BP-20 compound pads for superior grip, longer wear, and a wider operating temperature over the BP-10 pad
The Big Brake Solution for Big Power
The AERO4 rear big brake kits provide enhanced braking via billet W4A 4-piston calipers, two-piece 14 in. rotors and high-performance BP series compound pads. These kits also include a built-in parking brake with either an electronic caliper or hydraulic internal brake drum shoe. They are available in either black or red caliper finishes and feature several different rotor designs to fit any racer's needs.
Part TypeBrake Conversion Kit
Product LineWilwood AERO4 Big Brake Rear Parking Brake Kits
BrandWILWOOD
Package Height15.5
Package Width15.75
Package Length16.0
Weight80.0 PG
Part CategoryPerformance Parts
Hardware IncludedYes
Rear Caliper FinishRed powdercoated
Rear Rotor Thickness1.1 in (27.9 mm)
Minimum Recommended Wheel Diameter18 in (457.2 mm)
Parking Brake ProvisionYes
Rear Rotor Diameter14.00 in./355.6mm
Rear Caliper MaterialBillet aluminum
Master Cylinder IncludedNo
Brackets IncludedYes
Rear Rotor IncludedYes
PositionRear
Brake Pads IncludedYes
Rear Rotor StyleSlotted surface
Brake Booster IncludedNo
Disc Brake Caliper (Rear) Piston QuantityFour
QuantitySold as a kit
Mounting Hardware IncludedYes
Offset2.5 in (63.5 mm)
Disc Brake Kit TypeHeavy-duty
Brake Lines IncludedNo
Part FitmentSemi Universal
Parking Brake StyleElectronic Parking Brake
Brake Pad MaterialBP-20 Compound
Rear Caliper IncludedYes
Vendor Part Number140-15846-R
Package Qty1
Package TypeEA
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