this device is an absolute necessity during the upgrading process

resulting in a increase in air volume

This allows you to target your engagement RPM

and TORQUE LINK are required

Manifold Surface Temp(Spare if unused)

XP5 Helix Category_Default Category/SLED/Ski-Doo/Rev 600\/600 SDI this device is an absoluteXP5 Helix for Ski Doo 850 Turbo Sleds Custom Engineered Snowmobile Performance Helix Stop settling for generic parts. Our performance helix is a custom engineered solution developed specifically to fine tune your sled's clutch system, providing unparalleled power delivery for trail or mountain riding. The proprietary cut angle is meticulously crafted to ensure optimal RPM across your entire speed range, resulting in: Optimized Power Curve: Experience