Fitment questions?
Call (855) 786-7101 or text (801) 304-3141. We check fitment by VIN.
Product details
This Wilwood aluminum adapter mounts a brake rotor to the GEN II Sprint/Midget inboard hub arrangement. Its 6 x 5.50-inch rotor pattern accepts the specified fixed or dynamic mounting configuration, and the adapter has a Type III hard-anodized finish. The manufacturer, Wilwood Engineering, was established in 1977 by Bill Wood and is based in Camarillo, California. It produces disc-brake systems and the calipers, rotors, master cylinders, valves, fittings and lines used within them. Motorsport, street-performance and specialized applications each require a suitable combination of those components.
Technical Details
- Manufacturer part number: 300-12581
- Material: Aluminum
- Finish: Type III Anodize
- Package: 1 GEN II inboard rotor adapter
- Weight: 0.410 lb
- Rotor bolt circle: 6 x 5.50 in
- Hub configuration: GEN II, 3.37 x 2.28
- Clamp designation: 4.00 in OD
Fitment & Compatibility
For the GEN II inboard hub identified by the 3.37 x 2.28 configuration and 4.00-inch outside-diameter clamp designation. Match the hub drawing, rotor offset and chosen fixed or dynamic attachment hardware.
Manufacturer Documents
With over 20 years of experience, PMB Performance can help work through the dimensions and component requirements. Provide the installed kit information when requesting a fitment check.
