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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
100% x-rayed on the production line to ensure quality
5" long and 2
Riding Style Street Type Inner Primary Cover Product Name Bushing Units Each Material Bronze
Anodized in a matte finish
Athena B Piston Kit - P5F0770212009B Yamaha YZ 250 / WR 250 2019-2025 Koso North America 100% x-rayed on the productionFeatures Made of high performance aluminum alloy with high silicon content that guarantee the same reliability of the OE piston, while at the same time providing greater resistance and excellent performance The smooth profile ensures a regular flow and the perfect flame propagation The piston for 4 stroke Off Road motorcycles are made by reverse extrusion and produced numerical control (CNC) machines Piston rings create less friction with the cylinder
