Wiseco Top End Kits with Gaskets - PK1071 - 2004-2017 Yamaha YFZ450

Wiseco's Complete Top End Kits with Gaskets for the 2004-2017 Yamaha YFZ450 provide everything you need for a top-quality rebuild. The kits include race-proven designs with a superior strength-to-weight ratio using aerospace alloy and a dedicated forging. This, along with a high-performance ring kit and premium top-end gasket set, make Wiseco the perfect choice for a worry-free rebuild.

Features:

• Each piston is constructed using race-proven designs that have been handpicked by industry-leading race teams across various racing disciplines, including Supercross and Motocross.
• Wiseco pistons can only be paired with Wiseco rings.
• PK kits from Wiseco include a comprehensive top end gasket kit made of high-quality materials, ensuring that you have everything necessary to successfully complete your rebuild.
• Bore 95.00/STD Compression Ratio (12:1)
• Fitment - 2004-2013 Yamaha YFZ450, 2009-2017 YFZ450R, and 2011 YFZ450X 
  

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