Provides increased acceleration, quicker throttle response, enhanced backshifting, less belt slippage.EPI's best all around use kit.If you do a little bit of everything with your quad, this is the kit for you.Great for trail riding, occasional mud and sand riding, plowing and hauling.Makes up for the power loss and slow response of adding oversized tires.Better low end and mid-range acceleration.Quicker backshift which results in crisp throttle response.Reduces belt slip and clutch heat.Kits designed for stock or oversized tires.Notes: Sample kit shown, all kits vary by model. For some models, this kit will eliminate the EBS function. Removing EBS results in a more performance-oriented driving experience. If you wish to keep the EBS function, please contact EPI directly as a different helix is needed.