Wilwood Narrow Superlite 4R Rear Kit 12.88in Speedway Eng Floater w/ New Style End
Wilwood Narrow Superlite 4R Rear Kit 12.88in Speedway Eng Floater w/ New Style End
Description
Wilwood Narrow Superlite 4R Rear Kit 12.88in Speedway Eng Floater w/ New Style End
Forged Narrow Superlite 4R rear disc kits provide the ultimate Big Brake solution for popular muscle car rear axles that require a parking brake. FNSL4R four piston calipers, 13” or 14” two-piece rotors, and high performance BP-10 compound pads provide optimized and balanced braking to compliment front big brake upgrades on all types of custom, show and high performance street machines. The neatly hidden internal shoe system provides a clean installation with superior static holding power for parking. Optional caliper finishes and rotor designs allow builders to personalize the style and performance for every application.
Data: v2 - Desc: v4.2 - Upd: 2026-11-08 08:54:16
Features
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Specifications
Reference Information
| Reference Data (Provide these details to our support team) | |
|---|---|
| Brand Name/s | Wilwood, Wilwood Disc Brakes |
| StreetFX SKU | wil140-11877 |
| SFX Item ID | 4404926 |
| Accounting SKU | wil-140-11877 |
| Manufacturer SKU | 140-11877 |
| Manufacturer UPC | 889545014259 |
| Alternative References | WIL-140-11877 |
SL4R Rear Kit,13.00"
Wilwood Forged Narrow Superlite 4R Big Brake rear parking brake kits are the perfect addition to front Big Brake upgrades for incredible stopping power. These disc brake kits feature FNSL4R 4-piston oversize forged billet aluminum calipers, 13 or 14 in. 2-piece premium rotors, and high performance BP-10 compound pads. Also included is a high-quality, drum-style parking brake assembly. The neatly hidden internal shoe system provides a clean installation, with superior static holding power for parking. Wilwood Forged Narrow Superlite 4R Big Brake rear parking brake kits provide the extra power to reel in your beast. Order the kit designed for your vehicle application.
| Product Attributes | |
|---|---|
| Brand | Wilwood Disc Brakes |
| Manufacturer's Part Number | 140-11877 |
| Part Type | Disc Brake Kits |
| Product Line | Wilwood Forged Narrow Superlite 4R Big Brake Rear Parking Brake Kits |
| UPC | 889545014259 |
| Position | Rear |
| Front Rotor Included | No |
| Brake Rotor Bolt Pattern (in.) | 5 x 4.25 in. |
| Brake Rotor Bolt Pattern (mm) | 5 x 108.00mm |
| Axle Housing Flange Style | Big Ford New Style Bronco (3.562 in. x 2.00 in. 5-Lug) |
| Rear Rotor Included | Yes |
| Rear Rotor Style | Slotted surface |
| Rear Rotor Construction | Vented |
| Rear Rotor Diameter | 12.88 in./327.15mm |
| 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 | Black |
| Brake Pads Included | Yes |
| Friction Material Name | BP-10 |
| Parking Brake Provision | Yes |
| Parking Brake Style | Internal drum |
| Minimum Recommended Wheel Diameter (in.) | 17 in. |
| 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 | Fits the Speedway Engineering Modlite rear axle housing. |
Compatibility
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