ProX / Vertex Top End Rebuild Kit. ProX Standard / Stock 77.25mm Bore Piston Kits And Vertex Top End Gasket Set. Includes (2) Pistons, (2) Sets of Rings, (2) Pins, (2) Pairs of Clips, (2) Top End Bearings, (1) Top End Gasket Set.

ITEM FITS:
Liberty Motor 
2016-2021 Polaris 600 AXYS Pro RMK
2016-2018 Polaris 600 AXYS Pro RMK EFI
2020-2021 Polaris 600 Indy Adventure 
2019-2021 Polaris 600 Indy SP
2019-2021 Polaris 600 Indy XC
2020-2021 Polaris 600 Indy XCR
2019-2021 Polaris 600 RMK
2017-2018 Polaris 600 RMK EFI
2016-2018 Polaris 600 Rush Pro EFI
2019-2020 Polaris 600 Rush Pro-S

2019 Polaris 600 Rush XCR 

2017-2018 Polaris 600 Rush XCR EFI

2019 Polaris 600 Switchback Adventure 

2016-2018 Polaris 600 Switchback Adventure EFI

2019-2021 Polaris 600 Switchback Assault 

2017-2018 Polaris 600 Switchback Assault EFI

2016-2018 Polaris 600 Switchback Pro EFI

2019-2021 Polaris 600 Switchback Pro-S

2019 Polaris 600 Switchback SP

2019-2021 Polaris 600 Switchback XCR

2018 Polaris Switchback XCR EFI

2019-2021 Polaris 600 Voyageur 

2017-2018 Polaris 600 Voyageur EFI

Twin Cylinder, 2-Stroke

(2) 01.5607.000

(1) 710327