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
Polaris HYVO Steel Lower Gear
HYVO Aluminum Lower Gear
13 Wide, 27mm-17 Spline, Steel Lower Gear
13 Wide, 1″-15 Spline, Steel Lower Gear