Wilwood Bronco 2.00-inch-offset rear Dynapro brake kit laid out with black calipers, drilled and slotted rotors, internal parking-shoe assemblies and mounting parts
Wilwood Bronco 2.00-inch-offset rear Dynapro brake kit assembly example, showing a black caliper positioned over the drilled and slotted rotor and mounting hat
Wilwood Bronco 2.00-inch-offset rear Dynapro brake kit laid out with black calipers, drilled and slotted rotors, internal parking-shoe assemblies and mounting parts
Wilwood Bronco 2.00-inch-offset rear Dynapro brake kit assembly example, showing a black caliper positioned over the drilled and slotted rotor and mounting hat

Wilwood Drilled 12.19-Inch Rear Parking-Brake Conversion, Black Dynapro Calipers, Bronco Big Ford Housing Ends and 2.00-Inch Offset

SKU: 140-13733-D

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Product details

The drilled-and-slotted option retains the black Dynapro calipers and internal parking assemblies of this 2.00-inch-offset Bronco kit. Its one-piece iron drum/rotors provide both the hydraulic friction surface and the drum for the mechanical shoe brake. Wilwood Engineering is based in Camarillo, California. Bill Wood founded its disc brake system and component business in 1977. The manufacturer designs and produces calipers, brake rotors, master cylinders, valves, fittings and brake lines for motorsport, street-performance and specialized uses. Each item must suit the rest of the brake system.

Technical Details

  • Rotor: 12.19 in; 309.63 mm outside diameter; 0.81 in; 20.57 mm thickness. Material: Iron. Construction: Vented. Friction-face style: SRP Drilled & Slotted.
  • Rotor surface finish: Black Electro Coat.
  • Manufacturer: Wilwood; manufacturer part number: 140-13733-D. Supplied quantity: Sold as a kit.
  • Application category: Rear Brake Kits - Street Performance. Axle/spindle category: Rear Kits. Brake function: Disc; Parking.
  • Separate wheel hubs included: No. Retain only the hub arrangement specified for this kit.
  • Mounting hardware included: Yes. Spindles included: No. Master cylinder included: No. Brake booster included: No.
  • Flexible brake lines included: No. Select the vehicle-end connection and routing separately.
  • Internal parking-shoe assemblies are included. The vehicle cable/clevis connection is separate; parking cable kit 330-9371 is a separately selected option, not included.
  • Wheel interface: 5 x 4.5 in; 5 x 114.3 mm; 5 x 5.5 in; 5 x 139.7 mm. Rotor/hat wheel-stud clearance: 0.56 in; 14.22 mm; 0.64 in; 16.26 mm.
  • Nominal minimum wheel diameter: 15 in; 381 mm. Verify the full wheel-clearance drawing; diameter alone does not establish barrel or spoke clearance.
  • Housing/spindle flange: Big Ford Bronco. Flange/axle offset: 2.00 in; 50.8 mm.
  • Calipers: 4 stainless pistons per caliper; lug mounting; forged aluminium bodies. Color: Black. Finish: Black Powder Coat. Inlet thread: 1/8-27 NPT.
  • Caliper family: Dynapro Lug Mount. Brake-pad compound: BP-10.

Fitment & Compatibility

Measure the Big Ford housing end and offset using DS1064 and the worksheet. Verify the chosen bolt circle and stud-hole clearance on the drilled rotors, which list 4.50- and 5.50-inch patterns. Check wheel space and obtain separate hydraulic and parking-control connections.

Manufacturer Documents

PMB Performance has over 20 years of experience with parts and fitment details. We can help review the installed brake arrangement when you provide the vehicle specification and the measured mounting interfaces.