Athena S5F09700002B Cast Piston for Yamaha 450 YZF (2010-2013) - Piston Size 96.96 mm Forged 4-Stroke Piston Replacement - Motocross Dirt Bikes Bit Holder Additional large shoulder lugs protect

Additional large shoulder lugs protect rim and sidewall

The ultimate enduro filter for all current Beta RR 2-stroke and 4-stroke models plus X-Trainer

this filter features a dual-layer foam design that traps fine dust and debris while maintaining maximum airflow

this set empowers riders to excel on challenging tracks and gain a competitive edge

ensures you never forget to hydrate

Athena S5F09700002B Cast Piston for Yamaha 450 YZF (2010-2013) - Piston Size 96.96 mm Forged 4-Stroke Piston Replacement - Motocross Dirt Bikes Bit Holder Additional large shoulder lugs protectIf you're looking to unleash more low end torque, stronger mid range power, and overall improved performance from your Yamaha 450 YZF, the Athena S5F09700002B is the perfect choice. Engineered in Italy by one of the world's leading powersports manufacturers, this high quality cast piston kit is specifically designed to pair with Athena's Big Bore Cylinder Kits, reliably increasing your bike's displacement from 450cc. Whether you're a weekend trail