Fitment questions?
Call (855) 786-7101 or text (801) 304-3141.
Real people. Real answers.
Product details
Choose the plain-face iron rotor configuration for the specified sprint quick-change axle. The inboard rear kit includes BP-40 race pads. Established in 1977 by Bill Wood, Camarillo, California-based Wilwood Engineering designs and manufactures disc brake systems. Its master cylinders, calipers, brake rotors, lines, fittings and valves support motorsport, street-performance and specialized applications, with each component selected for its role in the complete brake system.
Technical Details
- Manufacturer: Wilwood
- Manufacturer part number: 140-15347
- Kit classification: Rear Brake Kits - Race
- Axle position: Rear Kits
- Brake Type: Disc
- Selling unit: Sold as a kit.
- Recommended Use: Race Only. Not for Street use.
- Required spindle / rear housing interface: OEM
- Spindle Included: No
- Mounting Hardware Included: Yes
- Separate wheel hubs included: Splined dynamic rotor axle clamp and adapter included; not a wheel hub
- Pistons per service caliper: 4
- Service-caliper piston material: Stainless steel
- Service-caliper mounting: Radial
- Caliper Color: Gray
- Caliper Finish: Type III hard anodize
- Caliper Inlet Port Diameter: 1/8-27 NPT
- Caliper family: Narrow Dynalite radial-mount
- Pad compound: BP-40
- Master Cylinder Included: No
- Brake Booster Included: No
- Brake Lines Included: No
- Rotor Outside Diameter: 12.19 in
- Rotor Thickness: 0.81 in
- Rotor Material: Iron
- Surface Type: Plain Face
- Rotor construction: Vented
- Bolt Circle Diameter: Splined
- Rotor surface finish: Plain
- Rotor vane / construction reference: 32 V
Fitment & Compatibility
The required installation is an inboard sprint brake on the specified 3.00-inch, 46-spline quick-change axle, using the standard side bell with 3.50-inch mounting centers. This version has a 12.19 × 0.81-inch plain-face vented iron rotor and BP-40 race pads. The included splined axle clamp and floating adapter support the rotor; they do not replace a road-wheel hub. Check alignment, clamp position and fastener security against DS-1279. The four-piston caliper has a 1/8-27 NPT inlet; hydraulic hoses and brake actuation components are separate. Race only, not for street use.
Wilwood product specifications · Installation instructions
PMB Performance can help identify the required brake component with over 20 years of parts experience. Send the kit details and original-part measurements.
Manufacturer warning — brake pads only: WARNING: Cancer and Reproductive Harm. www.P65Warnings.ca.gov.
