Athena S5F09700002A Cast Piston for Yamaha 450 YZF (2010-2013) - Piston Size 96.95 mm Forged 4-Stroke Piston Replacement - Motocross Dirt Bikes Handheld Superior 2-Piece T3 Manifold Design:

Superior 2-Piece T3 Manifold Design: The innovative 2-piece cast iron construction allows for easier installation in tight Ford engine bays while providing superior durability and heat management

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

Polisport's Restyling rear fenders are produced with Polisport's exclusive technologies

low-profile fit

and supports everything from stock setups to aggressive compound turbo builds

Athena S5F09700002A Cast Piston for Yamaha 450 YZF (2010-2013) - Piston Size 96.95 mm Forged 4-Stroke Piston Replacement - Motocross Dirt Bikes Handheld Superior 2-Piece T3 Manifold Design:If 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