Arctic Cat 858 High Elevation Head Mod 04-411 Category_Default Category/SLED/Racing/Polaris With the ability to store

With the ability to store and switch between two maps on-the-fly  (via the map switch accessory) and connect to various Power Commander accessories such as the Autotune

ATV’s or dirt bikes

Sensor included

it's a simple $150 upgrade at any point

Performance Slip-On Exhaust // Polaris Ranger 1000 (XP Models Only)

Arctic Cat 858 High Elevation Head Mod 04-411 Category_Default Category/SLED/Racing/Polaris With the ability to storeTHIS HEAD MOD REQUIRES YOU TO SEND IN YOUR STOCK HEAD FOR EXCHANGE Need more power out of your 858 at high elevation Our head mod packs some serious power, No tuning required Pump gas friendly Arm Pulling Torque