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Product details
Long coarse studs extend the usable wheel-mounting arrangement of this black rear Starlite 55 hub. The stated additional length is 1.38 inches, making the wheel, spacer and nut stack a required selection check. Wilwood Engineering has designed and manufactured disc brake systems since Bill Wood founded it in 1977. Its Camarillo, California operation supplies calipers, master cylinders, brake rotors, valves, fittings and lines for specialized, street-performance and motorsport applications. Each component must be chosen to match the complete brake system.
Technical Details
- Manufacturer part number: 270-6513BLS
- Finish: Black E-Coat
- 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: Direct
- Rotor interface: 8 x 7.00; this is not the wheel bolt circle
- Product-page drawing references (inches): A = 3.570; 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.
- Package configuration: One rear hub with the specified bearing-race arrangement
- Stud configuration: Long coarse studs, 1.38 inches longer than the standard version; verify wheel and nut engagement
- Component: Wide 5 - Starlite 55
- Position in the specified assembly: Rear
- Material: Aluminum
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 FL90 · Manufacturer reference FL537
PMB Performance can help identify the required brake component with over 20 years of parts experience. Send the kit details and original-part measurements.
