Wilwood Front SRP Rotor/Hub Kit, Black Calipers for Chevrolet Camaro/Caprice/Impala/Nova, Oldsmobile Custom Cruiser/Delta 88/Omega, Pontiac Bonneville/Catalina/Firebird/Phoenix/Parisienne, Buick Estate Wagon/LeSabre/Skylark (1979–1990)

Black Superlite 6R calipers and drilled/slotted one-piece rotors identify this Wilwood later-GM front package. Replacement hubs, bearings and BP-10 pads match the 12.88-inch rotor configuration. Selection is based on the specified disc spindle and original rotor layout, not simply a broad passenger-car model designation. Wilwood Engineering was founded by Bill Wood in 1977 and is based in Camarillo, California. The company designs and manufactures disc brake systems and components, including calipers, brake rotors, master cylinders, valves, fittings, and brake lines. Its product range serves motorsport, street-performance, and specialized applications, with individual components selected to match the requirements of the complete brake system.

Technical Details

• Manufacturer part number: 140-12280-D
• Type: Forged Narrow Superlite 6R Big Brake Front Brake Kit (Hub and 1PC Rotor)
• Calipers: Forged Narrow Superlite 6R; 6 pistons per caliper; Black Powder Coat; radial mounting.
• Piston bores: 1.62, 1.12, 1.12 inches; Stainless pistons. Included pad compound: BP-10.
• Rotors: 12.88-inch diameter × 1.10-inch width; SRP Drilled & Slotted; Iron; Black Electro Coat finish.
• Wheel mounting change from OE: +0.30 inches per side; check wheel offset and fender clearance.
• Replacement hubs: Hub - Hat Mount; Aluminum; Bare. Bearings and hub hardware are specified in the installation instructions.
• Wheel bolt circles: 5 x 4.50; 5 x 4.75 inches.
• Included: paired calipers, pads, rotors, brackets and assembly hardware, replacement hubs and bearings.
• Hydraulic flex lines are separate. Master cylinder, booster and spindles are not included; retain or select suitable matching components.
• Conditional minimum wheel diameter: 17 inches. Verify the complete clearance drawing for barrel and spoke offset before purchase.

Fitment & Compatibility

Check the existing GM upright and its original brake configuration before applying the model-year table. DS871 identifies the later spindle layout and calls for machining the bracket holes and removing the old caliper ears. Complete that preparation with a qualified machine shop before installing the new bearing and hub assemblies. Check rotor centering and free caliper movement independently of wheel fit. The published hub offset changes fender clearance, and the wheel must have the correct five-lug circle and seating surface. Select the hydraulic hoses separately, allowing for steering and suspension movement. Compare the wheel's entire section with the conditional 17-inch drawing and verify clearance behind the black caliper at every spoke.

Check the individual year, model, submodel and equipment conditions in the fitment table below before ordering.

Wilwood installation documents: Installation instructions.

PMB Performance has over 20 years of brake-system experience. Contact us with your vehicle, axle or spindle details and wheel measurements for fitment help.

California Proposition 65 warning, 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.