Athena S5F09700002A Cast Piston for Yamaha 450 YZF (2010-2013) - Piston Size 96.95 mm Forged 4-Stroke Piston Replacement - Motocross Dirt Bikes Handheld Built for riders who demand

Built for riders who demand performance and protection

capturing dirt

and washers required to restore proper water pump operation and cooling system performance

Whether you’re relaxing in your favorite chair or sitting comfortably on your couch

The Maglock MAC-X Hose Adapter enables the use of the larger diameter MAC-X hose

Athena S5F09700002A Cast Piston for Yamaha 450 YZF (2010-2013) - Piston Size 96.95 mm Forged 4-Stroke Piston Replacement - Motocross Dirt Bikes Handheld Built for riders who demandIf you're looking to unleash more low end torque, stronger mid range power, and overall improved performance from your Yamaha 450 YZF, the Athena S5F09700002A 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