Fitment questions?
Call (855) 786-7101 or text (801) 304-3141. We check fitment by VIN.
Product details
With a 1.570-inch outside diameter, this Wilwood A1 race is the cup for the specified small outer hub bearing arrangement. The race and its roller cone are sold as separate service parts. Wilwood Engineering, founded in 1977 by Bill Wood, is based in Camarillo, California and designs and manufactures disc brake systems and components. Calipers, brake rotors, master cylinders, valves, fittings, and brake lines form part of its range for motorsport, street-performance, and specialized installations; suitability depends on the full brake-system arrangement.
Technical Details
- Manufacturer part number: 370-1238
- Bearing Material: Steel
- Finish: Bare
- Cup outside diameter: 1.570 inches
- Bearing set: A1
- Reference: LM11710
- Matching cone: 370-1239
- Unit: One cup
Fitment & Compatibility
The matching outer cone is 370-1239. Verify the hub bearing bore and A1 specification before installation; a larger cup from another bearing family will not substitute.
Manufacturer Documents
Representative product-family image. Confirm the ordered bearing or kit using the part number and specifications.
Discuss the existing setup with PMB Performance before ordering when the application is uncertain. We bring over 20 years of experience to parts selection and fitment support.
