SHIBATA Introducing front knuckles produced by Hayato Yoshiba, who became the champion at the 2024 R.C.D.C.! Forged through repeated development and specification changes since the 3D printer model stage in the "Tohoku STYLE" scene, where top-class drifters compete, these knuckles are now complete with the designed geometry. Please experience the "Y Knuckle" development code for yourself. Matte Black Compatible with all GRK (RWD cars) (Please prepare 4 additional 1050 x 4mm thick bearings) *This product is for advanced users. GRK Lightweight Knuckle Stopper