Wilwood Drilled 12.88-Inch Front Kit with Black Superlite Calipers and Hubs, Chevrolet Camaro / Pontiac Firebird 1982–1992

Drilled-and-slotted rings mount to aluminum hats and supplied hubs in this black front conversion. The six-piston calipers use BP-10 pads, with bearing hardware and front flexlines supplied for the documented Camaro/Firebird suspension. Founded in 1977 by Bill Wood, Wilwood Engineering is now based in Camarillo, California, where its work centers on disc brake systems and components. Calipers, brake rotors, master cylinders, valves, fittings and brake lines serve motorsport, street-performance and specialized installations; selecting these parts requires considering the complete braking system.

Technical Details

• Manufacturer part number — 140-15278-D.
• Rotor mounting hat — aluminum; Black E-Coat; hat offset 1.750 in.
• Nominal minimum wheel diameter — 17 in; 431.8 mm; verify full spoke and barrel clearance using the kit drawing.
• Wheel-stud thread — 1/2-20.
• Wheel bolt circle — 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 6R; 6 pistons in each caliper; Stainless pistons; Forged Aluminium body; Radial mounting.
• Rotor construction and friction surface — Spec-37 Iron; Vented; SRP Drilled & Slotted; surface finish: Black Electro Coat.
• Rotor dimensions — outside diameter 12.88 in; 327.15 mm; thickness 1.10 in; 27.94 mm.
• Brake function and supply — Front Brake Kits - Street Performance; Disc braking; front axle; Sold as a kit.
• Flexline specification — Line kit included (manufacturer): 220-6856 (18.00 in); Front line-kit reference: 220-6856.
• Hydraulic package contents — brake lines included: Yes; master cylinder included: No; booster included: No.
• Mechanical package contents — separate hubs included; mounting hardware included: Yes; spindles included: No.
• Stated OE wheel-hub offset — +.25 in; verify the documented spindle and reference geometry.

Fitment & Compatibility

Use the exact 1982–1992 model and front-spindle entry. Under DS1141, standard spindles require the specified drill/tap and ear-removal work by a qualified shop; 1LE performance spindles do not require those changes. Verify the +0.25-inch wheel-hub shift, 5 x 4.75 pattern and full 17-inch wheel drawing.

The application list names Camaro, Firebird. 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.

For a fitment check, give PMB Performance the vehicle details and the actual brake and suspension hardware. Our team has over 20 years of experience working through parts compatibility.

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.