Yamaha YFZ450R & YFZ450X
ATHENA YFZ450R YFZ 450R 450X 98mm 478cc CP Piston Big Bore Cylinder Race Top End Kit


Starting from $499.99

Brand New Complete Top End Athena / CP Carrillo Big Bore Kit


Fits Yamaha YFZ450R & YFZ450X Fuel Injected Models 

Years 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Add Amazing & Reliable Power With The Best Components In The Industry!



This Complete Big Bore Top End Kit Includes:

  • Athena 98mm Big Bore Nikasil Plated Cylinder
  • CP Carrillo 12.5:1 Piston Kit (Includes Piston, Rings, Pin & Clips) 
  • Athena Complete Top End Gasket Kit


Price: $499.99

Photos of Yamaha YFZ450R & YFZ450X ATHENA YFZ450R YFZ 450R 450X 98mm 478cc CP Piston Big Bore Cylinder Race Top End Kit

FREE STANDARD SHIPPING is available in all US lower 48 states, APO addresses, and Puerto Rico via USPS or UPS. (*Exceptions apply for Alaska and Hawaii.)
Free standard shipping means we will select an option that gets you your parts as soon as possible while still being economically priced.

*Shipments to Alaska and Hawaii are free as long as the parts will fit in a USPS Priority Mail Flat Rate box or envelope.
For any other type of shipping there will be a charge.


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