Polaris 250 TRAIL BOSS 1985-1999 Wiseco Top End Rebuild Kit Std Comp 72.50mm 0.50mm Os

$339.95
ONLINE ONLY

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Wiseco Top End Piston & Gasket Rebuild Kit

 

These kits contain everything you need to complete your rebuild the right way, the first time. High-quality parts specifically chosen to match the forged pistons are included in this kit for easy one-stop shopping.

Wiseco’s ArmorGlide coating eliminates the need to check for different piston sizing, and the only thing to confirm before fitment is bore size.

 

FEATURES

  • Wiseco 2-stroke kits feature Pro-Lite pistons that are CNC machined for optimal cam shape and profile for peak HP and service life.
  • 4-stroke kits feature a ‘race-ready’ dome finish with smooth edges for improved combustion flow. Horizontal slot-pin oiling reduces friction and provides scuff resistance, along with a pressure seal groove for maximum ring seal.
  • 4-stroke race applications feature Wiseco’s ArmorGlide skirt coating to provide reduced friction and noise to contribute to increased horsepower.
  • Dedicated forgings used for superior strength to weight ratio utilizing aerospace alloy.
  • High-Performance ring kit and alloy pin included with each piston kit for extended life and sustained power.
  • Gaskets


2-stroke Kits include:

  • Piston, Rings, Pin and Clips
  • Complete Top End Gasket Kit
  • Little End Bearing


4-Stroke Kits include:

  • Piston, Rings, Pin and Clips
  • Complete Top End Gasket Kit

 

Note: Image is for reference only, actual kit may vary based on contents and fitment.

 

Fitment Details

  • Polaris 250 TRAIL BOSS 1985
  • Polaris 250 TRAIL BOSS 1986
  • Polaris 250 TRAIL BOSS 1987
  • Polaris 250 TRAIL BOSS 1988
  • Polaris 250 TRAIL BOSS 1989
  • Polaris 250 TRAIL BOSS 1990
  • Polaris 250 TRAIL BOSS 1991
  • Polaris 250 TRAIL BOSS 1992
  • Polaris 250 TRAIL BOSS 1993
  • Polaris 250 TRAIL BOSS 1994
  • Polaris 250 TRAIL BOSS 1995
  • Polaris 250 TRAIL BOSS 1996
  • Polaris 250 TRAIL BOSS 1997
  • Polaris 250 TRAIL BOSS 1998
  • Polaris 250 TRAIL BOSS 1999


(W-PK1085-1)

SKU W-PK1085-1
Barcode # W-PK1085
Brand Wiseco

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