P2M - NISSAN S14 REAR UPPER CONTROL ARMS (RUCA) (P2-RUCANS14-GD)P2M Nissan S14 RUCA is made from high strength S45C steel alloy for strength with M14x1. 5RH rod end. The RUCA allow rear wheel camber to be adjusted for alignment purpose. Combo with rear adjustable links (rear toe, rear traction, rear lower control arms etc.) precise alignment dial in can be achieved for your intended vehicle use. P2M only uses 3pc teflon lined pillow ball bearings for reliability and comes with dust boot to keep dirt and grimes