Wilwood Twelve-Piece Rotor Adapter Bolt Kit, Stainless 5/16-18 x 0.750 Inches

SKU: 230-12121

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Product details

This twelve-piece kit uses stainless button-head screws to join the matching adapter and rotor. At 0.750 inch long, the 5/16-18 fasteners are intended for the specified flange thickness and threaded engagement. This component comes from Wilwood Engineering's disc brake program, designed and manufactured for motorsport, street-performance and specialized applications. Bill Wood established the company in 1977; it is based in Camarillo, California. The range spans calipers, rotors, master cylinders, valves, fittings and brake lines, whose selection depends on the requirements of the complete braking system.

Technical Details

  • Manufacturer part number: 230-12121
  • Material: Stainless steel
  • Grade: 18-8
  • Head form: Button Head
  • Drive: Torx
  • Listed fastener length: 0.750 in
  • Thread: 5/16-18
  • Safety-wire drilling: No
  • Finish: Plain
  • Component quantity: 12 bolts

Fitment & Compatibility

Check the complete rotor-adapter assembly before selecting the hardware. Use the manufacturer's tightening procedure for this stainless Torx set and verify the button heads clear nearby components.

Wilwood product specifications

Bring the original assembly number and relevant measurements to PMB Performance for fitment assistance backed by 20+ years of experience.