Namura Top-End Rebuild Kit for Polaris 570 Models - 99.94mm - NA-50019-4K MPN_FS101-0016 ElectroSport offers our ESR142 with

ElectroSport offers our ESR142 with a full one year warranty

2016 Suzuki RM-X450Z

tapped 1/4-28 Bore - 3/4" Teeth - 12 Chain - #35 Pitch - 3/8"

2021 Yamaha YZ250

Part Number: PWRWC-H04-500

Namura Top-End Rebuild Kit for Polaris 570 Models - 99.94mm - NA-50019-4K MPN_FS101-0016 ElectroSport offers our ESR142 withNamura Technologies Top End Rebuild Kit A Top End rebuild can help to improve the performance of your ride, keeping it running in peak condition. With the Namura complete Top End Rebuild Kit, rebuilding your Top End no longer expensive and painful Namura's Top End Kits include everything you need to get your ride operational again; pistons, a top end gasket kit and wrist pin bearings (where applicable) are all included in this convenient, time saving