Dayco ATV Extreme Torque Drive Belt -Faster and more consistent throttle response at high speeds -Quicker throttle response at mid-speed acceleration -Greater secondary acceleration at high RPMs -Reduction in slippage during the highest levels of torque -Increased horsepower capacity -Better performance during deceleration (more responsive engine braking) -Tested and proven reliable at well over 12,000 RPMs -Cooler running than the leading competitors.