Secondary Smooth Shift Teflon washers included for buttery smooth secondary shifts on standard kits
Torsion spring conversion upgrade offers EVEN MORE all-around performance and may increase top speed
Much smoother and better working reverse on standard style clutch kits
Clutch kits are easily adjustable for fine-tuning
Torsion kit ONLY: Reverse on 2 stroke models may not work under high load situations (backing up a snow-covered hill), but will work fine in low load situations (off the trailer, out of the garage, etc.).