Description
Brake System - Billet Narrow Dynalite - Rear - 4 Piston Caliper - 11.75 in Slotted / Scalloped Steel Rotor - 3 x 46 Spline Sprint Car Hat - Aluminum - Gray Anodized - Kit
Wilwood Billet Narrow Dynalite Radial Mount Rear Inboard Sprint Kit 11.75in SuperAlloy Vented Rotor
Billet Narrow Dynalite Radial Sprint Inboard Kit Features: A fully engineered bolt-on brake system for sprint car quick change rears with 3.00 x 46 splined axles. With 11.75" x .810 vented Super Alloy rotor and a newly designed dynamic mount rotor axle clamp, offer the lowest rotating weight available for Sprint racing. The lightweight advantages of Wilwood Sprint rotors are fortified with the high durability, long wear, and superior heat control properties of advanced materials. Newly redesigned Type III hard anodize Billet Dynalite Radial mount calipers with Composition Metallic pads, produce superior stopping power and consistent fade-free response. Kit includes Axle Clamp with Dual Mount Rotor Adapter with T-nuts, radial mount bracket assembly and mounting hardware.
Data: v2 - Desc: v4.2 - Upd: 2026-11-08 09:05:41
Features
Note for Pistons, Rings, Rotors, Rods and engine internals
Unless otherwise specified, some brands supply brake rotors, pistons, strut mounts, rods and rings separately. In some cases, titles may indicate plural, or 'set' - eg the term “ring set” often refers to the rings for a single piston only. If you’re unsure about what’s included with this product, please contact our team for clarification.
(keyword: rotor)Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.
Specifications
Reference Information
| Reference Data (Provide these details to our support team) | |
|---|---|
| Brand Name/s | Wilwood, Wilwood Disc Brakes |
| StreetFX SKU | wil140-15345 |
| SFX Item ID | 4407591 |
| Accounting SKU | wil-140-15345 |
| Manufacturer SKU | 140-15345 |
| Manufacturer UPC | 889545086492 |
| Alternative References | WIL-140-15345 |
KIT,SPRINT,BNDLR,1.88,INBOARD,SCALLOPED
Wilwood Billet Narrow Dynalite radial-mount inboard brake kits feature a fully engineered bolt-on brake system for sprint car quick-change rears with 3.00 in. x 46 splined axles. Available in several choices, the kits will have titanium, Super Alloy, or steel .810 vented or solid discs and a newly designed dynamic mount rotor axle clamp, providing the lowest rotating weights available for Sprint racing.
The lightweight advantages of Wilwood Sprint rotors are fortified with the high durability, long wear, and superior heat control properties of the advanced materials used. The billet Dynalite radial mount 4-piston calipers are Type III Anodized and will be fitted with composition metallic or BP-40 pads to produce superior stopping power and a consistent fade-free response. Kits will also include an axle clamp with a dual mount rotor adapter with T-nuts, radial mount bracket assembly, and mounting hardware. Choose the preferred kit for your braking needs.
| Product Attributes | |
|---|---|
| Brand | Wilwood Disc Brakes |
| Manufacturer's Part Number | 140-15345 |
| Part Type | Disc Brake Kits |
| Product Line | Wilwood Billet Narrow Dynalite Radial Mount Inboard Brake Kits |
| UPC | 889545086492 |
| Position | Rear |
| Front Rotor Included | No |
| Rear Rotor Included | Yes |
| Rear Rotor Style | Slotted surface |
| Rear Rotor Construction | Vented |
| Rear Rotor Diameter | 11.75 in./298.45mm |
| Rear Rotor Thickness (in.) | 0.81 |
| Front Caliper Included | No |
| Rear Caliper Included | Yes |
| Rear Caliper Piston Quantity | Four |
| Rear Caliper Material | Forged billet aluminum |
| Rear Caliper Color | Gray/Silver |
| Brake Pads Included | Yes |
| Friction Material Name | BP-30 |
| Parking Brake Provision | No |
| Offset (in.) | 0.000 in. |
| Front Spindles Included | No |
| Master Cylinder Included | No |
| Brake Booster Included | No |
| Remanufactured | No |
| Brake Hoses Included | No |
| Quantity | Sold as a kit. |
| Notes | For use on sprint axles with 48 splines. |
Compatibility
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