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Moose Piston Kit

Item: 394409

$369.95

Select Your Vehicle - Fitment Guaranteed

Moose Piston Kit


  • Gravity-cast aluminum alloy with 18% silicon to increase resistance to wear and decrease thermal distortion, thus providing a longer piston life
  • Coated skirts ease break-in, decreasing wear and aiding in lubrication
  • Wear-resistant piston rings that are either nitride or chrome plated depending on application
  • Wrist pins are nitride coated, providing a hardened, wear-resistant bearing surface
  • Piston kits include piston, rings, wrist pin and circlips
Specification Details
Bore 77.00mm
Compression Ratio 14.0:1
Material Aluminum

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.

Yamaha
  • YZ250F 4-Stroke 2019-2020

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