Moose Piston Kit

Item Number: 394409


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Product Description

Moose Racing

Moose Piston Kit

  • Moose Racing pistons feature X-style forgings and fully boxed-style (race pistons) forgings for ultimate strength, minimizing friction, durability, power, and weight reduction
  • Full radius dome designs maximize quench while eliminating hot spots that promote detonation
  • Internal bracing maximizes durability while decreasing friction in the pin assembly
  • DLC pins have been proven and used because of their high resistance to abrasive wear, which extends the service life and reliability under extreme conditions
  • Includes a high performance piston, wrist pin, rings, circlips and a top end gasket kit
  • Some applications require race fuel
  • Made in the USA

Spec Details
Bore Varies (make selection above)
Country of Origin Varies (make selection above)

Vehicle Fitment

Fitment is guaranteed or your money back plus free return shipping. Don't waste time installing a product that doesn't fit. We worked hard ensuring that this product is an exact fit on the vehicles listed below.


  • 125 RR 2T 2018-2020
  • 250 RR 2T 2013-2020
  • 300 RR 2T 2013-2020


  • TE 300i 2018-2022


  • 150 SX 2016-2022
  • 150 XC-W 2018-2019
  • 150 XC-W TPI 2020-2022
  • 300 XC TPI 2020-2022
  • 300 XC-W TPI 2019-2020


  • KX85 2014-2021
  • KX100 2014-2018


  • YZ65 2018-2022
  • YZ85 2019-2021

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