Wilwood Red Superlite C10 Front Assembly with Drilled 14 x 1.25-Inch Rotors, Required Wilwood Pro Drop Spindles and Hubs Separate

Red six-piston calipers use BP-10 pads against 14-inch SRP rings in this spindle-specific front kit. The aluminum rotor hats and brake mounting hardware are included, while the required Wilwood modular hub/spindle assembly and flexlines are separate purchases. 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: 140-15304-DR.
• Rotor dimensions: outside diameter 14.00 in; 355.6 mm; thickness 1.25 in; 31.75 mm.
• Service caliper assembly: Superlite 6R; 6 pistons in each caliper; Stainless pistons; Forged Aluminium body; Radial mounting.
• Supplied pad compound: BP-10.
• Hat wheel-stud clearance diameter: 0.520 in; 13.21 mm.
• Rotor mounting hat: aluminum; Black E-Coat; hat offset 1.380 in.
• Hydraulic package contents: brake lines included: No; master cylinder included: No; booster included: No.
• Brake function and supply: Front Brake Kits - Street Performance; Disc braking; front axle; Sold as a kit.
• Rotor construction and friction surface: Spec-37 Iron; Vented; SRP Drilled & Slotted; surface finish: Black Electro Coat.
• Caliper color, finish and hydraulic inlet: Red; Red Powder Coat; inlet 1/8-27 NPT.
• Wheel bolt circle: 5 x 4.75 in; 5 x 120.65 mm; 5 x 5 in; 5 x 127 mm.
• Nominal minimum wheel diameter: 18 in; 457.2 mm; verify full spoke and barrel clearance using the kit drawing.
• Mechanical package contents: no separate hubs included; mounting hardware included: Yes; spindles included: No.
• Flexline specification: Line kit included (manufacturer): None; Front line-kit reference: 220-7056, 220-11237, 220-12168.

Fitment & Compatibility

Confirm the exact listed Chevy/GMC model and the five-lug Aluminum Modular Pro Drop spindle configuration in DS1160. Do not use the original OE spindle. Account for the +0.41-inch outward or -0.06-inch inward year-based wheel-position change and verify the full nominal 18-inch brake envelope.

Check the application-specific restrictions for C10 Panel, C10 Pickup, Suburban, 1000 Series, 1000, C10 Suburban, C15/C1500 Suburban, C1500 Pickup, Blazer, Jimmy, C10, K5 Blazer, C15 Suburban, C1500 Suburban, R10 Pickup, R10 Suburban, R1500 Pickup, R1500 Suburban. A shared model name does not replace the exact year and brake/suspension configuration. Use the fitment table below to confirm year, model, trim and brake or suspension options.

Select a suitable front hose kit from the listed alternatives after checking the actual chassis fittings, route and full suspension/steering travel.

PMB Performance has over 20 years of experience with parts and fitment details. Contact us with the original vehicle specification and any changes to its braking or suspension system.

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.