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

Lightweight construction to shed significant vehicle weight

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

Our mechanics and engineers made their own ultimate spring pullers and have been using this design for years

They may look the same

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