Description
625cc Big Bore Piston Kit for the Polaris Ranger and RZR 570
This replacement piston kit is for a Polaris Ranger or RZR 570 engine equipped with a 625cc big-bore setup. It gives buyers a piston replacement option without purchasing another full top-end package.
This Kit Includes
- Replacement piston kit
625cc Big Bore Fitment
- Polaris Ranger 570 with a 625cc big-bore setup
- Polaris RZR 570 with a 625cc big-bore setup
This piston is intended for the 625cc big-bore configuration. Therefore, it should not be listed as a replacement for a standard-bore 570 piston.
Piston and Ring Installation Guide
Correct piston direction and ring placement are important during assembly. Before installation, review the REV6 piston and ring installation guide for helpful preparation and assembly steps.
Related Polaris 570 Big Bore Parts
For a broader top-end package, see the Polaris Ranger/RZR 570 625cc Master Big Bore Top End Rebuild Kit for 2012-2017 models. Also, buyers planning ECU changes can review the Polaris Ranger/RZR 570 625cc Big Bore ECU Tuning Service.
REV6 Warranty and Support
This replacement piston kit includes a 1-year parts warranty. Review the REV6 parts warranty policy for coverage details. You can also contact the REV6 team with questions about the confirmed kit contents.













