Precision EFI Polaris 850 Stage1
Stage1 flash adds 9hp to your Polaris 850 without changing any parts!
With this 9HP gain, you will also get a better throttle response. This package has been tested and developed for trail and mountain riders!
Stage1 is available to be installed by any of our dealers, just bring your snowmobile or ECU and they will upgrade it!
This reflash fits all 2019+ Polaris 850 Patriot engines
– Polaris 850 AXYS / RUSH / SWITCHBACK / KHAOS, ETC.