Wilwood Caliper-Narrow Superlite 4R-ST - Anodized 1.25/1.25in Pistons 1.10in Disc
Wilwood Caliper-Narrow Superlite 4R-ST - Anodized 1.25/1.25in Pistons 1.10in Disc
Description
Wilwood Caliper-Narrow Superlite 4R-ST - Anodized 1.25/1.25in Pistons 1.10in Disc
FNSLR/ST forged billet calipers, with four Thermlock pistons, deliver championship proven performance with piston sizes to provide matched rear braking bias for use with the Aero6/ST or other larger piston front calipers. FNSL4R/ST calipers incorporate race technology into a radial mount body design with widespread adaptability. Including competition update options for all FNSL4R rear Big Brake kits. Thermlock pistons, high-temp seals, SRS bridge plates, and two-piece bleed screw assemblies are standard in all calipers. Four high-temp race only brake pad compounds in the 7416 pad type allow precise tuning of the brake response, friction requirements and temperature range.
Data: v2 - Desc: v4.2 - Upd: 2026-11-08 09:05:43
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: pistons)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 | wil120-12602 |
| SFX Item ID | 4407660 |
| Accounting SKU | wil-120-12602 |
| Manufacturer SKU | 120-12602 |
| Manufacturer UPC | 889545085860 |
| Alternative References | WIL-120-12602 |
Brake Caliper, Forged Narrow Superlite 4 Radial Mount, Aluminum, Gray Anodized, 4-piston, 1/8-27 NPT, Each
Wilwood Forged Narrow Superlite 4 radial mount calipers are a new version of Wilwood's venerable Superlite caliper series. They add versatility and the convenience of radial mounting to this widely popular caliper series. Radial mounting simplifies adaptation and provides two planes of adjustment for accurate alignment over the disc. These calipers integrate "Big Brake" style with Wilwood's latest technology to generate big stopping power in extreme environments.
| Product Attributes | |
|---|---|
| UPC | 00889545085860 |
| Brand | Wilwood Disc Brakes |
| Quantity | Sold individually. |
| Part Type | Brake Calipers |
| Thread Size | 1/8 in. NPT |
| Caliper Logo | Wilwood Racing |
| Product Line | Wilwood Forged Narrow Superlite 4 Radial Mount Calipers |
| Caliper Color | Gray/Silver |
| Caliper Series | Forged Superlite 4 Radial Mount |
| Remanufactured | No |
| Caliper Material | Aluminum |
| Brackets Included | No |
| Fittings Included | No |
| Brake Pads Included | No |
| Fitting Attachment 1 | Female threads |
| Piston Diameter (in.) | 1.250 |
| Rotor Thickness (in.) | 1.100 in. |
| Caliper Piston Quantity | Four |
| Parking Brake Provision | No |
| Manufacturer's Part Number | 120-12602 |
Compatibility
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