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 Whether you're rebuilding or customizing

Whether you're rebuilding or customizing

stroke length and its lightweight build

and trail hazards without adding unnecessary weight

and strength of water dispensed to create your perfect hydration profile

this kit is a must-have for trail riders

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 Whether you're rebuilding or customizingIf 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