Wilwood Drilled 14-Inch Front Brake Kit with Black Superlite Calipers and Hats, C10 Aluminum Modular Pro Drop Spindle Fitments

The black SRP configuration places drilled-and-slotted Spec-37 rotor rings on aluminum hats. Six-piston service calipers, BP-10 pads and caliper mounting parts make up this brake-side conversion for the listed C10 modular spindle system. 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 for motorsport, street-performance and specialized applications. Its range includes calipers, brake rotors, master cylinders, valves, fittings and brake lines, with each part selected to match the complete brake system.

Technical Details

• Manufacturer part number — 140-15304-D.
• 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 — Black; Black 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.
• 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.

Fitment & Compatibility

Use only the specified Wilwood Aluminum Modular Pro Drop Spindles on the exact five-lug truck application; OE spindles do not fit. DS1160 shows hubs supplied with the separate spindle assembly. Check the correct year-based wheel shift, 18-inch clearance profile and separately chosen front hoses.

Listed model families are 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; the individual year and brake/spindle conditions remain decisive. 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.

With more than 20 years of parts experience, PMB Performance can help review the specified brake arrangement. Include the vehicle year and details of any hub, spindle or suspension changes.

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.