Small rollers / TSS Category_Default Category/SLED/Polaris/AXYS 800 H.O. '15-17/Engine The factory plastic diverter valve

The factory plastic diverter valve is notoriously weak

Massive 2" High-Flow Design: Maximizes internal volume to eliminate air bottlenecks and reduce heat buildup

On the trail

and is very quiet for a straight through exhaust

The VForce reed valve system by Moto Tassinari has been the reed valve system of choice by anyone serious about two-stroke engine performance for the last 10+ years

Small rollers / TSS Category_Default Category/SLED/Polaris/AXYS 800 H.O. '15-17/Engine The factory plastic diverter valveSmall rollers for our dual cut helix *Important Fitment Note: This helix is designed to work seamlessly with the original small OEM clutch rollers found on Polaris snowmobiles up to the 2020 model year. Please be aware that Polaris introduced a larger OEM roller on some models beginning in 2021. These newer, larger rollers are not compatible with this helix. If you own a 2021 or newer Polaris and have the new style clutch rollers, we highly recommend