STAGE 1 - 850 PATRIOT - Precision EFI



Regular price $447.00 Sale price $402.00 Save $45.00

2019-2020 ONLY

Stage 1 adds 9hp to your Polaris 850.

With this 9HP gain, you will also get a better throttle response.

​This package has been tested and developed for trail and mountain riders.

​You will have to install some adjustable ramps to lower down the RPM. The ideal engine speed is around 8000RPM.​

Stage 1 is available to be installed by any of our dealers, just bring your snowmobile or ECU and they will upgrade it.

choose between two options

go to a Dealer

Get your ECU Flash by a simple plug into the diagnostic of your powersport vehicle by one of our certified dealers

See Dealer locator


You can send us your ECU.
You only need to fill out this form.

Fill ecu send-in form

you hesitate ?

Did you know that whenever you want you can improve your stage !
You just have to pay the difference between both stages !
This gives you the flexibility to start with the first stage option and upgrade to a more powerful stage without having to pay the full price again.

Did you know you can also add a warranty to your modified vehicle ? 

click here

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