![Helix / Pro8 - 20-PRO-8 Category_Default Category/SLED/Polaris/AXYS 600 /Misc [Click Here For Installation Instructions]](https://cdn.shopify.com/s/files/1/0749/6436/9701/files/20-pro-8.webp?v=1777319560)
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[Click Here For Installation Instructions]
Low altitude gains of 5 HP through the mid-range and 4-5 HP peak
YAMAHA YXZ/SIDEWINDER (17-up) STROKER KIT w/BC PROH2K RODS
you will notice a nice deep tone a little louder than stock
With a mild tune on a 4 seat machine we have seen top end speeds of 118+ MPH with both STM primary and secondary together
Helix / Pro8 - 20-PRO-8 Category_Default Category/SLED/Polaris/AXYS 600 /Misc [Click Here For Installation Instructions]Optimize ACCELERATION AND QUICKER BACK SHIFTING WITH OUR PERFORMANCE HELIX. Our custom and proprietary cut angle maximizes performance. Recommended use with our clutch weights, primary spring, and secondary spring. This will help bring your machine alive, especially after adding heavy accessories, and different tires to your machine. 20 PRO 8