Upgrade your Big Ford New Style rear axle with the Wilwood 140-13181-DR Dynapro Lug Mount rear parking brake kit. This DPL Pro-Series rear disc brake kit is designed for 2.50 in axle offset applications that require a parking brake, using red powder coat 4-piston Dynapro calipers and 12.19 in SRP drilled and slotted rotors.
This kit is a strong option for muscle car, street, strip, and show builds that need improved rear braking with a clean internal shoe parking brake setup. Wilwood pairs forged billet Dynapro Lug Mount calipers with high-friction BP-10 pads and one-piece drum/rotors for balanced rear brake performance.
Product Details
- Wilwood part number: 140-13181-DR
- VelocityShop SKU: WIL140-13181-DR
- Rear disc brake conversion kit with parking brake
- Rear end / axle flange: Big Ford New Style
- Axle offset: 2.50 in
- Mount type: Lug
- Caliper finish: Red powder coat
- Rotor style: SRP drilled and slotted
- Minimum wheel diameter: 15 in, with wheel clearance verification required
- UPC: 889545019124
Kit Features
- Forged billet Dynapro Lug Mount 4-piston rear calipers
- 12.19 in one-piece drum/rotors
- Internal shoe parking brake system
- BP-10 brake pad compound
- Black electro coat iron SRP rotors
- Designed for custom performance street, strip, and show applications
Key Specifications
| Caliper Type | Dynapro Lug Mount |
| Piston Count | 4 |
| Piston Bore | 1.38 in / 1.38 in |
| Piston Area | 3.00 sq in |
| Piston Type | Stainless |
| Rotor Diameter | 12.19 in |
| Rotor Width | 0.81 in |
| Rotor Material | Iron |
| Rotor Finish | Black electro coat |
| Rotor Vane Count | 32 vane |
Fitment Notes
Confirm your rear axle flange, 2.50 in axle offset, and wheel clearance before ordering. This kit is for Big Ford New Style rear axle applications. Brake lines and parking brake cable may be required depending on the installation; Wilwood lists parking brake cable kit 330-9371 as a commonly used related part.
Proposition 65 Warnings.
Cancer and Reproductive Harm. See details below.
Items that are not CARB Legal will not be sold and ship to California or CARB states.
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