Athena S5F09700002B Cast Piston for Yamaha 450 YZF (2010-2013) - Piston Size 96.96 mm Forged 4-Stroke Piston Replacement - Motocross Dirt Bikes mounting bracket ensuring reliable performance and preventing

ensuring reliable performance and preventing engine damage

designed for superior safety and comfort across the toughest terrains

(1) M18 FUEL™ 5" Flathead Braking Grinder

It is designed to bend and absorb impacts from harsh roost or unexpected spills rather than stress-whiten or snap

Its model-specific design ensures a precise fit and easy installation without wheel disassembly

Athena S5F09700002B Cast Piston for Yamaha 450 YZF (2010-2013) - Piston Size 96.96 mm Forged 4-Stroke Piston Replacement - Motocross Dirt Bikes mounting bracket ensuring reliable performance and preventingIf 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