QRS XP1 Secondary Helix for Ski-Doo 850 & 800 E-TEC // SKU: 05-XP1 Category_Default Category/SLED/Arctic Cat/Firecat 700 you know that the stock

you know that the stock pistons and rings are prone to a short life

Faster and more consistent throttle response at high speeds

The turbo heat shield blanket is constructed with a titanium fiber outer layer and it is internally insulated with high-temperature ceramic insulated pad that is rated to 1800°F continuous and 2300°F peak which is then overlaid with a high-temperature stainless steel mesh for increased durability and improved thermal resistance

Compatibility: Polaris RZR Pro XP & Turbo R (All Years)

Polaris 600-800-850na

QRS XP1 Secondary Helix for Ski-Doo 850 & 800 E-TEC // SKU: 05-XP1 Category_Default Category/SLED/Arctic Cat/Firecat 700 you know that the stockQRS XP1 Secondary Helix for Ski Doo 850 & 800 E TEC Your Ski Doo 850 or 800 E TEC is built to dominate technical terrain and deep powder. To truly maximize that Rotax power, you need a secondary clutch that responds instantly to the demands of the backcountry. Our custom machined QRS XP1 Helix is specifically engineered to optimize your Ski Doos performance, providing the precise shift curve and on demand power needed to conquer steep climbs and tight