Wilwood Hat-BB Front 2.01in Offset 5 x 4.50/4.75 - 12 on 7.00in

SKU: WIL170-9321

Brake Rotor Hats

WIL Rotor Hat...

Wilwood

Wilwood Hat-BB Front 2.01in Offset 5 x 4.50/4.75 - 12 on 7.00in

SKU: WIL170-9321

Brake Rotor Hats

WIL Rotor Hat...

Available from MFR. This item is available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical order processing and release times for this part. This item is not held in our own warehouse, and actual dispatch timing may vary depending on manufacturer workload and logistics at the time of ordering.

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Description

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.

Part Type

Brake Rotor Hats

Data: v4.2 - Upd: 2026-10-13 15:13:56

Specifications

Product Attributes - UPC: 889545042788
Product Attributes - Brand: Wilwood Disc Brakes
Product Attributes - Quantity: Sold individually.
Product Attributes - Part Type: Brake Rotor Hats
Product Attributes - Product Line: Wilwood HD Fixed Mount Brake Rotor Hats
Product Attributes - Brake Rotor Hat Type: 1/4-20 in. threaded hole
Product Attributes - Brake Rotor Hat Color: Black
Product Attributes - Brake Rotor Hat Material: Aluminum
Product Attributes - Manufacturer's Part Number: 170-9321
Product Attributes - Brake Rotor Hat Bolt Circle: 12 x 7.00 in.
Product Attributes - Brake Rotor Hat Offset (in.): 2.02
Product Attributes - Brake Rotor Hat Clearance I.D. (in.): 5.86
Product Attributes - Brake Rotor Hat Face Thickness (in.): 0.25
Product Attributes - Brake Rotor Hat Center Hole I.D. (in.): 2.67
Product Attributes - Brake Rotor Hat Stud Hole Diameter (in.): 0.52

Reference Information

Brand Name/s	Wilwood
StreetFX SKU	wil170-9321
SFX Item ID	4406561
Supplier Item Code	4406561
Manufacturer SKU	170-9321
Manufacturer UPC	889545042788
Alternative References	2.01in, 7.00in