Huge performance gains in just a tune

Download the instruction HERE

900 big bore top end kit fits all 2019+ Polaris 850 Axys Sleds

Stong construction will not wear out quickly and roll extremely smooth

Fits 2017-Up Arctic Cat 9000 & Yamaha Sidewinder Models

Helix Torsion / Arctic Cat Procross - Proclimb Arctic Cat Helix:48-40 Progressive Huge performance gains in justHigh quality helixes for the 2012 15 Arctic Cat models. These helixes come with an adjustable endcap which allows you to run a torsion spring setup by drilling a hole in your secondary clutch. For more information, see our Stage 2 clutch kit or the torsion kit. 2012 15 Arctic Cat torsion style helixes with adjustable endcap. Normally stocked helixes are listed below.