Wilwood Rear GT-Slotted 14-Inch Brakes with Red Superlite Calipers and Electric Parking Control, New-Style Big Ford 2.36-Inch Offset

The undrilled GT-slotted configuration pairs red Superlite service calipers with 14-inch rotor rings and aluminum hats. Installation is defined by the 2.36-inch-offset new-style Big Ford axle, with separate motor-driven calipers retaining a parking hold function. From its Camarillo, California base, Wilwood Engineering designs and manufactures disc brake systems and components. Bill Wood founded the company in 1977. Its calipers, brake rotors, master cylinders, valves, fittings and brake lines serve motorsport, street-performance and specialized applications, with individual parts matched to the complete braking arrangement.

Technical Details

• Manufacturer part number: 140-16132-R; supplied as one rear axle brake kit.
• Mechanical contents: Separate wheel hubs are not included; mounting hardware supplied; spindles not included.
• Supplied service pads: BP-10 compound; verify suitability for the intended operating conditions.
• Hydraulic service calipers: Forged Narrow Superlite 4R; 4 pistons per caliper; Forged Aluminium body; radial mounting; Stainless pistons.
• Rotor dimensions: 14.00 in; 355.6 mm outside diameter; 1.10 in; 27.94 mm thick.
• Minimum nominal wheel diameter: 18 in; 457.2 mm; full spoke/barrel clearance must be checked using the installation drawing.
• Cataloged rotor/hat mounting-hole pattern: 5 x 4.5 in; 5 x 114.3 mm; 5 x 4.75 in; 5 x 120.65 mm; 5 x 5 in; 5 x 127 mm bolt circle; cataloged stud-hole clearances 0.520 in; 13.21 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.
• Caliper finish and port: Red Powder Coat; hydraulic inlet 1/8-27 NPT.
• Rotor material and surface: Spec-37 Iron; vented; GT Slotted; surface finish Black Electro Coat.
• Rear axle interface: Big Ford New Style housing flange; 2.36 in; 59.94 mm axle offset. Measure the installed assembly.
• Hydraulic installation: Hydraulic lines and fittings are separate and must be selected for the vehicle; master cylinder not included; brake booster not included.
• Rotor mounting hats: Aluminum; Black E-Coat; hat offset 1.625 inches. This is a hat dimension, not the axle offset.

Fitment & Compatibility

This kit is selected for Big Ford New Style geometry at 2.36 inches of axle offset. Wheel-stud pattern and register dimensions must match the supplied rotors or hats, and the parking motors and harness connectors need clearance throughout suspension travel. Compare the intended 18-inch or larger wheel with the installation drawing.

Review the fitment table below after identifying the rear axle. Confirm housing-flange dimensions, retention hardware, offset, register and wheel pattern against the kit drawing. 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 supplied EPB switch and pigtail connect through a universal harness to the controller and separate parking-caliper motors. Vehicle-specific power, ground and ignition/accessory wiring still requires installation under DS1353. This static-hold system is independent of the service brakes and is not intended for emergency stopping.

With over 20 years of parts experience, PMB Performance can help check the brake arrangement before ordering. Send the vehicle year, axle photographs and relevant hub or suspension changes.

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.