Aftermarket Assassins 12mm O2 Sensor Replacement for 2015+ Polaris RZR XP 1000 / RZR Turbo & Turbo S S 1000 To take the already impressive

To take the already impressive X3 one step further

2016-Up RZR 900 S

Engine Braking Option: Choose between keeping engine braking like factory or removing it

This tune is designed for 98-100 octane (will run on UTV 96

but will not replace the smaller bucket filler filter

Aftermarket Assassins 12mm O2 Sensor Replacement for 2015+ Polaris RZR XP 1000 / RZR Turbo & Turbo S S 1000 To take the already impressiveAftermarket Assassins 12mm O2 Sensor Replacement For 2015 2021 Polaris RZR XP 1000 RZR Turbo Turbo S *Does NOT fit wideband 2019 2021 RZR Turbo models or Pro XP Turbo R For those who frequently hit the trails, this Sensor Replacement is an excellent spare to carry in case of unexpected issues. Its compatibility, quality, and performance enhancing attributes make it a valuable addition to your Polaris. Features Replaces OEM part number 4016021 Fits