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Product details
This ProMatrix rotor-and-hat hardware set uses twelve stainless twelve-point bolts with flat washers. The 0.750-inch 1/4-20 fasteners are drilled for lock wire and must match the original attachment specification. Wilwood Engineering, founded by Bill Wood in 1977, is a Camarillo, California designer and manufacturer of disc brake systems. Calipers and rotors sit alongside master cylinders, valves, fittings and brake lines in its range for motorsport, street-performance and specialized applications. Selecting a service part requires matching the complete system's operating and installation needs.
Technical Details
- Manufacturer part number: 230-8008
- Component quantity: 12 bolts
- Material: Stainless steel
- Grade: 18-8
- Head form: 12 Point
- Drive: 12 Point
- Listed fastener length: 0.750 in
- Thread: 1/4-20
- Washer type: Flat
- Safety-wire drilling: Yes
- Finish: Plain
Fitment & Compatibility
Verify the ProMatrix hat and rotor part numbers before assembly. Keep the coarse 1/4-20 thread distinct from the similarly sized fine-thread hat hardware and follow the system's tightening instructions.
Wilwood product specifications
PMB Performance's 20+ years of experience can help with the details that determine fit. Supply the brake assembly number and the dimensions of the parts being replaced.
