Helix Torsion / Arctic Cat Procross - Proclimb Arctic Cat Helix:48-40 Progressive Massive 2" High-Flow Design: Maximizes

Massive 2" High-Flow Design: Maximizes internal volume to eliminate air bottlenecks and reduce heat buildup

No fuel modifications needed on a stock or slightly modified machine

you can simply add more weight to the Goldstar clutch arms

Uncapped the exhaust has a growl that is not over the top

Helix Torsion / Arctic Cat Procross - Proclimb Arctic Cat Helix:48-40 Progressive Massive 2" High-Flow Design: MaximizesHigh 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.