Wilwood Front 14-Inch SRP Rotor/Hub Package with Black Superlite 6R Calipers, Isuzu Hombre and Listed GM G-Body/S-Series (1978–2003)

Drilled/slotted 14-inch rings distinguish this Wilwood six-piston front conversion for the specified GM and Isuzu disc-spindle applications. The package includes black radial calipers, BP-10 pads, separate rotor hats and replacement hubs. The larger friction-ring diameter changes the wheel-clearance requirement, while the stock spindle remains in service only after the prescribed machining. 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 for motorsport, street-performance, and specialized applications.

Technical Details

• Manufacturer part number: 140-12299-D
• Type: Forged Narrow Superlite 6R Big Brake Front Brake Kit (Hub)
• Calipers: Forged Narrow Superlite 6R; 6 pistons per caliper; Black Powder Coat.
• Caliper bore sizes: 1.75, 1.25, 1.25 inches. Piston type: Stainless.
• Included pad compound: BP-10.
• Rotors: 14.00-inch diameter × 1.10-inch thickness; SRP Drilled & Slotted; Spec-37 Iron; Black Electro Coat surface; 72 curved vanes.
• Wheel mounting change from OE: +.10 inches per side.
• Replacement hubs: Hub - Hat Mount; Aluminum; Bare.
• Wheel bolt circles: 5 x 4.50; 5 x 4.75 inches.
• Included: paired calipers, pads, rotors, mounting brackets and assembly hardware, replacement hubs, rotor hats.
• Hydraulic lines and fittings selected separately. No master cylinder, booster or spindles are supplied.
• Conditional wheel screening size: 18 inches. Use the installation clearance diagram to verify the actual barrel and spoke profile.

Fitment & Compatibility

Have a qualified machinist verify the spindle mounting points and perform the preparation shown in DS879. Select the hub bolt pattern for the actual wheel, accounting for the positive 0.10-inch offset on each side. Check rear-drive or two-wheel-drive restrictions before choosing a truck application. Wheel barrel radius, spoke depth and full steering travel need assessment before the separately selected brake hoses are routed and secured.

Match the individual model, year, submodel and brake configuration in the fitment table below.

Wilwood installation documents: Installation instructions.

PMB Performance has over 20 years of brake-system experience. Contact us with your vehicle details and installed brake hardware for help confirming the correct arrangement.

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.