Genuine OEM Mitsubishi factory replacement Evo 4/5/6/7/8/9 5-speed transmission synch key spring. Two of these metal rings are used in the diagram, sold individually as needed, price is for one spring. This has an 80mm OD size. See images for exact placement. 2005 Evo 8 USDM GSR diagram is pictured for reference. Vehicle Fitment: CN9A 1996-1997 Evolution IV CP9A 1998-2000 Evolution V VI CT9A 2001-2006 Evolution VII VIII IX 5-Speed Transmission only Does not fit 6-speed MR Purchase Includes: (1) Key Spring (80mm)