Wilwood Drilled Rear Brake Conversion with Black Superlite 4R and MC4 Parking Calipers, Chevrolet Corvette C4 (1988–1996)

This drilled-rotor version supplies black Superlite hydraulic calipers and auxiliary MC4 parking calipers for the C4 rear suspension. Separate aluminum hats support the 12.88-inch iron rotor rings without replacing the factory hub assemblies. Wilwood Engineering has designed and manufactured disc brake systems and components since its founding by Bill Wood in 1977. The company is based in Camarillo, California, and serves motorsport, street-performance and specialized applications. Its calipers, rotors, hydraulic master cylinders, valves, fittings and brake lines need to be matched to the complete system in which they operate.

Technical Details

• Manufacturer part number — 140-14883-D.
• Rotor construction and friction surface — Iron; Vented; SRP Drilled & Slotted; surface finish: Black Electro Coat.
• Rotor dimensions — outside diameter 12.88 in; 327.15 mm; thickness 0.81 in; 20.57 mm.
• Brake function and supply — Rear Brake Kits - Street Performance; Disc; Parking braking; rear axle; Sold as a kit.
• Mechanical parking system — separate MC4 parking calipers; cables purchased separately.
• Flexline specification — Line kit included (manufacturer): None; Rear line-kit reference: 220-8177.
• Hydraulic package contents — brake lines included: No; master cylinder included: No; booster included: No.
• Mechanical package contents — no separate hubs included; mounting hardware included: Yes; spindles included: No.
• Rear flange interface — OEM; axle/flange offset 0.00 in; 0 mm (distinct from rotor-hat offset).
• Rotor mounting hat — aluminum; Black E-Coat; hat offset 1.200 in.
• Nominal minimum wheel diameter — 17 in; 431.8 mm; verify full spoke and barrel clearance using the kit drawing.
• Hat wheel-stud clearance diameter — 0.520 in; 13.21 mm.
• Wheel bolt circle — 5 x 4.5 in; 5 x 114.3 mm; 5 x 4.75 in; 5 x 120.65 mm.
• Supplied pad compound — BP-10.
• Caliper color, finish and hydraulic inlet — Black; Black Powder Coat; inlet 1/8-27 NPT.
• Service caliper assembly — Superlite 4R; 4 pistons in each caliper; Stainless pistons; Forged Aluminium body; Radial mounting.

Fitment & Compatibility

Verify the original 1988–1996 C4 hub and upright geometry. Cable kit 330-14891 and hose kit 220-8177 are separate choices for production cars; custom suspension installations need cable kit 330-9371 and a separately determined flexline length. Check DS1247 before assembly.

The application list names Corvette. Verify the particular year and suspension/brake option for each model. Use the fitment table below to confirm year, model, trim and brake or suspension options.

PMB Performance brings over 20 years of parts and fitment experience. Send the vehicle details and installed brake/suspension configuration if you need help checking this package.

Check the Installation instructions for the full assembly and wheel-clearance requirements.

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.