Wilwood Black Dynalite Rear EPB Conversion with 12.19-Inch Drilled Rotors, Small Ford Bronco Axles at 2.36-Inch Offset

Drilled-and-slotted iron rotor assemblies distinguish this black-caliper rear kit for the Small Ford Bronco flange. The supplied parking-brake hardware uses separate electric calipers, while Dynalite four-piston units perform normal hydraulic braking. Based in Camarillo, California, Wilwood Engineering was founded by Bill Wood in 1977. Wilwood designs and manufactures disc brake systems for motorsport, specialized vehicles and street-performance applications. Calipers, brake rotors, master cylinders, valves, fittings and brake lines must be selected in relation to the other components in the finished brake system.

Technical Details

• Manufacturer part number: 140-16146-D; supplied as one rear axle brake kit.
• Hydraulic service calipers: Forged Dynalite Internal; 4 pistons per caliper; Forged Aluminium body; lug mounting; Stainless pistons.
• Rear axle interface: Small Ford Bronco housing flange; 2.36 in; 59.94 mm axle offset. Measure the installed assembly.
• Supplied service pads: BP-10 compound; verify suitability for the intended operating conditions.
• Caliper finish and port: Black Powder Coat; hydraulic inlet 1/8-27 NPT.
• Rotor material and surface: Iron; vented; SRP Drilled & Slotted; surface finish Black Electro Coat.
• Rotor dimensions: 12.19 in; 309.63 mm outside diameter; 0.81 in; 20.57 mm thick.
• Mechanical contents: Separate wheel hubs are not included; mounting hardware supplied; spindles not included.
• Cataloged rotor/hat mounting-hole pattern: 5 x 4.5 in; 5 x 114.3 mm; 5 x 5.5 in; 5 x 139.7 mm bolt circle; cataloged stud-hole clearances 0.56 in; 14.22 mm; 0.64 in; 16.26 mm. The existing hub or axle flange determines the vehicle wheel pattern and stud specification. These rotor/hat drillings do not convert that pattern.
• Parking-brake package: Two separate electric parking calipers, control unit, switch with pigtail and universal wiring harness included; vehicle electrical connections require installation.
• Hydraulic installation: Hydraulic lines and fittings are separate and must be selected for the vehicle; master cylinder not included; brake booster not included.
• Minimum nominal wheel diameter: 15 in; 381 mm; full spoke/barrel clearance must be checked using the installation drawing.

Fitment & Compatibility

Installation requires the Small Ford Bronco housing flange and a measured 2.36-inch axle offset. Compare the housing bolt pattern, bearing/axle retention, wheel pattern and center registration with the kit drawing, then check both service-caliper and EPB-motor clearance. Nominal 15-inch wheel diameter is only the starting point.

Any vehicle application in the fitment table below depends on the installed axle interface. Compare flange and bearing geometry, axle offset, center register and wheel hardware with the specified assembly. For a 1990 Lincoln Town Car, identify the actual axle and confirm the specified interface; do not select this conversion from model and year alone.

The EPB is a parking-hold system, not an emergency stopping brake. It includes a separate left/right motor-driven caliper pair, control unit, switch with pigtail and universal wiring harness. Vehicle power, ground, ignition/accessory connections and protected cable routing must be installed to DS1353; it is not a plug-in factory-harness replacement.

PMB Performance brings more than 20 years of parts experience to fitment questions. Share the vehicle details and the installed axle, spindle and wheel measurements so we can help review the conversion.

Review the Installation instructions, Technical bulletin, EPB mounting and wiring instructions before selecting hardware or checking wheel clearance.

Manufacturer Warning

Applicable to brake pads only. WARNING: This product can expose you to chemicals including Arsenic, Cadmium, Chromium (Hexavalent compounds), Lead, Nickel, Cobalt and Antimony Trioxide which are known to the State of California to cause cancer or other reproductive harm. For more information go to www.p65warnings.ca.gov.