physical acoustic attenuation through rigid body absorption causing the suppression of longitudinal waves by precise

and the right components at hand we gain huge all-around clutching performance

In the mid-range

Huge performance gains in just a tune

1000 triples

Helix Torsion / Arctic Cat Procross - Proclimb Arctic Cat Helix:48-40 Progressive physical acoustic attenuation through rigidHigh 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.