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Product details
This rear Starlite 55XD hub uses a bolt-on rotor mounting plate to carry the brake load near the inner bearing. Its coarse-stud configuration must match the Wide 5 wheel and drive-flange arrangement. The manufacturer, Wilwood Engineering, was established by Bill Wood in 1977 and is based in Camarillo, California. It designs and builds disc brake systems with a range covering calipers, brake rotors, master cylinders, valves, fittings and brake lines. Motorsport, street-performance and specialized applications require components selected for the complete braking system.
Technical Details
- Manufacturer part number: 270-12111C
- Wheel mounting pattern(s): 5 x 10.25 inches; separate from rotor or drive-flange attachment
- Wheel-stud thread: 5/8-11
- Rotor mounting arrangement: Adapter
- Rotor interface: 8 x 7.00; this is not the wheel bolt circle
- Product-page drawing references (inches): A = 3.320; D = 3.480; H = 2.650; M = 4.600; N = 2.930. Use the manufacturer drawing for the reference faces.
- Manufacturer bearing / race references: Inner Bearing: 370-0431; Outer Bearing: 370-0432; Inner Hub Bearing - Race: 370-0314; Outer Hub Bearing - Race: 370-0315. References identify compatible service parts and do not mean all bearings are included.
- Related assembly part reference(s): 300-11211; check the kit contents and obtain any separately required parts
- Package configuration: One rear hub with bolt-on eight-bolt rotor plate
- Component: Wide 5 - Starlite 55XD
- Position in the specified assembly: Rear
- Material: Aluminum
- Finish: Black E-Coat
Fitment & Compatibility
For the specified Wide 5 racing spindle and wheel assembly. Match the bearing-race arrangement, drive flange or front cap, wheel-stud specification and separate rotor attachment. Use Wilwood’s current hub instructions for fastener selection and torque.
Wilwood component specifications · Manufacturer reference FL261 · Manufacturer reference FL537
Our team at PMB Performance has over 20 years of parts and fitment experience. The existing component number and brake-system details help us check the match.
