4G63 DOHC Beehive Spring | Base KVS63-BK

Install at 90lb seat pressure. Maximum lift is 13.50mm - MITSUBISHI 4G63 DOHC EVO 8-9. High Performance PACALOY Beehive spring to suit stock retainers. Suits high RPM, high boost competition engines. Install at 90lb. Maximum valve lift is 13.50mm.