Adjustable Pin Kit for all Ski-Doo snowmobiles with TRA 2, TRA 3, or TRA 5 primary clutches Pin kit is machined to OEM specifications for surface finish and allow full shiftout Beware of pin kits that are too long to clear the TRA 3 governor cap or have too high of a surface finish.. PIN KIT 13.8 TO 23 G S-D