
JE PISTONS piston kit (manufacturer ref. JE-247952S) designed for competition and intensive use on quads. Machined from forged aluminium 2618‑T6, this piston features a ready-to-install finish with its dome/flat and smooth radii, requiring no deburring. Made in the United States, it is aimed at riders and preparers looking for a robust spare part suitable for the extreme applications mentioned by the manufacturer.
This piston + rings kit is suitable for preparations and replacements on single-cylinder engines. Before installation, please follow the engine's recommendations and check the clearances and balance if necessary. Common compatibilities: Yamaha YFZ 450 (models 2014, 2016, 2017) – check the engine reference before ordering. This part is intended for enthusiasts and teams seeking durability and manufacturing quality for their competition or intensive leisure setups.