Description
Wilwood Caliper-Aero4-R/H - Black Anodize 1.88/1.62in Pistons 1.25in Disc
The new Aero4 forged four piston caliper delivers heavy duty stopping power for the road or track. The caliper incorporates race technology into a body design with widespread adaptability. Radial mounting, multiple options for piston volume, and a rotor diameter ranging from 12.88" to 15.00" give this caliper the versatility necessary to suit all types of heavy weight braking requirements. The new Aero4 is the latest innovation to the W4A / W6A series of calipers. It has been redesigned with internal fluid ports that eliminate the external fluid cross-over tubes and massive center bridge assembly.
Data: v2 - Desc: v4.2 - Upd: 2026-11-08 08:55:06
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 | wil120-13287 |
| SFX Item ID | 4406390 |
| Accounting SKU | wil-120-13287 |
| Manufacturer SKU | 120-13287 |
| Manufacturer UPC | 889545003284 |
| Alternative References | WIL-120-13287 |
Brake Caliper, AERO4 Radial Mount, 4-piston, Aluminum, Gray Anodized, Passenger Side, Each
Wilwood AERO4 radial mount calipers deliver heavy-duty stopping power for the road or track. They incorporate race technology into a body design with widespread adaptability. Radial mounting, two options for piston volume, and a wide range of rotor diameters give these calipers the versatility necessary to suit all types of heavyweight braking requirements. Wilwood Aero bodies are stress-flow forged from premium-grade aluminum alloy billet, to create calipers with superior clamping efficiency and ultimate strength against fatigue, stresses, and distortion under load. They are equipped with either stainless or high-temperature Thermlock pistons. For stopping power you need, trust Wilwood Aero4 radial mount calipers.
| Product Attributes | |
|---|---|
| UPC | 889545003284 |
| Brand | Wilwood Disc Brakes |
| Quantity | Sold individually. |
| Part Type | Brake Calipers |
| Thread Size | 1/8 in. NPT |
| Caliper Logo | Wilwood |
| Product Line | Wilwood AERO4 Radial Mount Calipers |
| Caliper Color | Gray/Silver |
| Caliper Series | W4A 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.) | 1.880/1.620 |
| Rotor Thickness (in.) | 1.250 in. |
| Caliper Piston Quantity | Four |
| Parking Brake Provision | No |
| Manufacturer's Part Number | 120-13287 |
Compatibility
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