7/8” Wide HYVO gears are built solely for use on the jackshaft. Use the narrower 3/4”-Wide HYVO on the bottom. .780” Wide
Energy Release Anti-Friction Metal Conditioner
13 Wide, 1″-15 Spline Upper Gear
Ski-Doo HYVO Conversion Gear, Lower
Yamaha RX-1 HYVO Steel Gear