Fitment questions?
Call (855) 786-7101 or text (801) 304-3141. We check fitment by VIN.
Product details
Polished FNSL6R calipers give this 12.88-inch front kit a bright finish alongside its SRP rotors. The supplied hubs offer two five-lug patterns and use 1/2-20 studs, with the listed original disc spindles determining installation compatibility. Calipers, brake rotors, master cylinders, valves, fittings and brake lines are among the disc brake systems and components Wilwood Engineering designs and manufactures. The Camarillo, California company was founded by Bill Wood in 1977 and supports motorsport, street-performance and specialized applications. Each component must be chosen for its role within the complete braking system.
Technical Details
Kit contents and separate parts
- Manufacturer part number: 140-9801-DP
- Supply: one kit with brake components for both sides of the front axle
- Mounting hardware: included
- Hubs: included with bearings and seals
- Spindles, master cylinder and brake booster: not included
- Hydraulic hoses: not included
- Supplied hubs offer 5 x 4.50 and 5 x 4.75-inch stud patterns with 1/2-20 wheel studs.
Rotors and mounting dimensions
- Rotors: 12.88 in; 327.15 mm diameter x 1.10 in; 27.94 mm thick; vented Spec-37 Iron
- Friction faces: SRP Drilled & Slotted
- Rotor finish: Black Electro Coat
- Internal vanes: 48 curved
- Hats: aluminum; Black E-Coat; 1.880-inch hat offset
- Supplied hub wheel-stud patterns: 5 x 4.5 in; 5 x 114.3 mm; 5 x 4.75 in; 5 x 120.65 mm
- Wheel studs: 1/2-20 thread; supplied with the hubs
Calipers and friction components
- Calipers: Forged Narrow Superlite 6R; 6 pistons per caliper
- Caliper finish: Polished
- Body construction: Forged aluminum
- Piston material: stainless
- Caliper mounting: radial
- Hydraulic inlet: 1/8-27 NPT
- Included pad compound: BP-10
- Listed piston bore sizes: 1.62 / 1.12 / 1.12 in
Fitment & Compatibility
Fits only the original disc-brake spindles on the Mustang II, Pinto and Bobcat years listed in the table below. Confirm the actual spindle if the vehicle has been modified; a drum-brake spindle is not interchangeable for this kit. Aluminum hubs, wheel bearings, seals and studs accompany the brake components. Choose the hub bolt pattern to match the wheels and verify DS-562 clearance. Hoses are separate; universal 14-, 16- and 18-inch options are 220-7056, 220-7699 and 220-8307, with length selected for steering and suspension travel. Nominal minimum wheel diameter: 17 in; 431.8 mm. Compare the actual wheel barrel and spokes with the linked clearance drawing; diameter alone does not establish fit.
Installation documents
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.
For help matching the axle, spindle and brake components, contact PMB Performance. Our team brings over 20 years of experience in brakes and vehicle restoration.
Vehicle Applications
| Years | Make | Model | Model option | Front brakes | Rear brakes | Kit application | Notes |
|---|---|---|---|---|---|---|---|
| 1974-1978 | Ford | Mustang II | All | Disc | Drum | Front Kit | 1, 2, 3, 4, 5, 6 |
| 1974-1980 | Ford | Pinto | All | Disc | Drum | Front Kit | 1, 2, 3, 4, 5, 6 |
| 1975-1980 | Mercury | Bobcat | All | Disc | Drum | Front Kit | 1, 2, 3, 4, 5, 6 |
Application Notes
- Kit fits 74-80 Pinto / Mustang II original disc brake spindles only.
- Universal Flexline kits available: 220-7056 (14"), 220-7699 (16") or 220-8307 (18"). Choose correct length for your application.
- If a separate replacement master cylinder is installed, its pushrod may require modification. No master cylinder is included in this front brake kit.
- This is a front service-brake kit. Select any rear parking-brake cable separately for the vehicle's actual rear brake system.
- Line kit included (manufacturer): None
- Front line-kit reference: 220-8307
