Wilwood 14-Inch GT Front Disc Conversion for C-Body Drum Spindles, Black Superlite 6R Calipers, Aluminum Hats and Hubs

A 14-inch GT rotor assembly enlarges the brake envelope of this black Superlite C-body kit. Six-piston calipers, BP-10 pads, aluminum hats and separate hubs are supplied for the verified original drum-spindle layout. Founded by Bill Wood in 1977, Camarillo, California-based Wilwood Engineering designs and manufactures disc brake systems plus their individual components. Its work serves specialized applications, motorsport and street-performance vehicles, with a range of calipers, brake rotors, master cylinders, valves, fittings and brake lines. A compatible complete system governs the selection of each part.

Technical Details

• Manufacturer part number — 140-15200.
• Wheel bolt circle — 5 x 4.5 in; 5 x 114.3 mm; 5 x 4.75 in; 5 x 120.65 mm.
• Nominal minimum wheel diameter — 18 in; 457.2 mm; verify full spoke and barrel clearance using the kit drawing.
• Stated OE wheel-hub offset — -.12 in; verify the documented spindle and reference geometry.
• 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; GT Slotted; surface finish: Black Electro Coat.
• Caliper color, finish and hydraulic inlet — Black; Black Powder Coat; inlet 1/8-27 NPT.
• Wheel-stud thread — 1/2-20.
• Rotor mounting hat — aluminum; Black E-Coat; hat offset 1.380 in.
• Mechanical package contents — separate hubs included; mounting hardware included: Yes; spindles included: No.
• Flexline specification — Line kit included (manufacturer): None; Front line-kit reference: 220-8307.
• Rotor dimensions — outside diameter 14.00 in; 355.6 mm; thickness 1.10 in; 27.94 mm.
• Service caliper assembly — Superlite 6R; 6 pistons in each caliper; Stainless pistons; Forged Aluminium body; Radial mounting.
• Supplied pad compound — BP-10.

Fitment & Compatibility

Match the listed Chrysler/Dodge/Plymouth model and year before using DS1136. The hub position is stated as -0.12 inch inward per side, distinct from the 1.380-inch hat offset. Verify wheel bolt pattern and full nominal 18-inch clearance; flexlines must be supplied separately.

Listed model families are 300, New Yorker, Newport, Town & Country, Monaco, Polara, Fury, Fury II, Fury III, VIP, Fury I, Gran Fury; the individual year and brake/spindle conditions remain decisive. 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.