Fitment questions?
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Product details
A 2.020-inch N dimension sets the solid-rotor location on this Wilwood Mopar B-Body front conversion hub. The bare aluminum body accepts the A6/A2 bearing arrangement for its specified drum spindle and provides both 5 x 4.50-inch and 5 x 4.75-inch wheel patterns. Bill Wood established Wilwood Engineering in 1977. Based in Camarillo, California, the company makes disc-brake systems and components for motorsport, street-performance and specialized uses, including brake calipers and rotors, hydraulic master cylinders, valves, fittings and lines. System requirements determine the appropriate component combination.
Technical Details
- Manufacturer part number: 270-8781
- Material: Aluminum
- Finish: Bare
- Position: Front
- Wheel bolt pattern: 5 x 4.75 in; 5 x 4.50 in
- Wheel stud thread: 1/2-20
- Weight: 3.5 lb
- Inner bearing specification: 370-0879 / A6 set (fitment reference)
- Outer bearing specification: 370-0877 / A2 set (fitment reference)
- Drawing dimension N: 2.020 inches
- Documented solid-rotor arrangement: 0.35-inch solid rotor, mounted directly or with adapter 300-3307 as specified in DS-719
Fitment & Compatibility
For the matched 1962–1972 Mopar B-Body drum-spindle conversion with solid-rotor geometry. Compare the 2.020-inch N dimension, A6/A2 bearings and rotor mounting arrangement. The related vented-rotor hub uses different geometry.
Manufacturer Documents
The photograph represents the product family. Match the ordered configuration using the part number and specifications above.
Before ordering for a modified assembly, send PMB Performance the kit number and relevant component details. Our over 20 years of experience can help you confirm the correct combination.
