Description
Wilwood 12x8.75 BC 5x4.75/5.00 MT 1.38in Offset 3.06in Center Reg. Big Brake Hat - Flared Bell
GT Series Big Brake Flared Bell hats are precision machined from premium aluminum alloys for high strength and attention to minimized weight. Hats in this category feature threaded rotor mount holes for use with standard through-hole mount rotors. Threaded hole hats may also be used with T-Nuts or bobbins designed for use with specially machined slotted hole dynamic mount rotors. When used in conjunction with matched Wilwood rotor hardware kits, GT hats provide solid, reliable performance in the most demanding conditions.Flared Bell Hats are generally used with rotor mount bolt circles of 8.38" and larger. Offsets range from 1.88" to 3.00" for rotor diameters 12.19" and up.
Data: v2 - Desc: v4.2 - Upd: 2026-11-08 08:56:44
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 | wil170-14209 |
| SFX Item ID | 4409482 |
| Accounting SKU | wil-170-14209 |
| Manufacturer SKU | 170-14209 |
| Manufacturer UPC | 889545077346 |
| Alternative References | WIL-170-14209 |
HAT,12x8.75 BC,5x4.75/5.00 MT,1.38
These Wilwood HD fixed mount brake rotor hats are manufactured from a premium-grade aluminum alloy offering high strength, low weight, and show-quality appeal. They feature straight bell construction with a flanged rotor mount ring. These rotor hats provide maximum radial clearance between the caliper body and the hats. They require the use of the correct Wilwood rotor bolt pattern for installation.
| Product Attributes | |
|---|---|
| UPC | 889545077346 |
| Brand | Wilwood Disc Brakes |
| Notes | This Big Brake, flared bell hat features a 6.58 in. clearance inside diameter, dual bolt circles (see the Applications section), and a counterbored center hole. |
| Quantity | Sold individually. |
| Part Type | Brake Rotor Hats |
| Product Line | Wilwood HD Fixed Mount Brake Rotor Hats |
| Brake Rotor Hat Type | 1/4-28 in. threaded hole |
| Brake Rotor Hat Color | Black |
| Brake Rotor Hat Material | Aluminum |
| Manufacturer's Part Number | 170-14209 |
| Brake Rotor Hat Bolt Circle | 12 x 8.75 in. |
| Brake Rotor Hat Offset (in.) | 1.38 |
| Brake Rotor Hat Face Thickness (in.) | 0.25 |
| Brake Rotor Hat Center Hole I.D. (in.) | 3.06 |
| Brake Rotor Hat Stud Hole Diameter (in.) | 0.52 |
Compatibility
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