Clutch Kit WISECO Backcountry E TEC w 137" Track Color:Tuerca Del Eje Del Piñón Del Motor Del Lado Del Volante Backcountry E TEC w 137" Track 2004 Polaris SwitchBack 600 w 136" Track 2005 Ski Doo GSX 800 H Inside Diameter: 6 10 15% uprated heavy duty clutch springs alloy impregnated heavy duty cork based facings for smooth clutch take up