JDM, Wheels Volk Racing GR-N by Rays Engineering – JDM Wheels April 30, 2015 admin Leave a comment The Volk Racing GR-N or Volk Racing Group N are JDM Wheels made by Rays Engineering. The Volk Racing GR-N feature an 8 spoke design and with exposed multi lug pattern, usually 8×100 for faster mounting. The Volk Racing GR-N are made from Forged Aluminum at the Rays Foundry. Volk Racing GR-N Volk Racing Group N Rays Engineering JDM Wheels share:Reddit