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Top End Piston Kit 75.50mm Bore (+1.00mm) - Polaris 300


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  • SKU: PK1518
  • Manufacturer: Wiseco


Polaris 300

  • Bore - Actual: 75.50mm
  • Bore - Oversize: 1.00mm
  • Displacement: 291cc
  • Stroke: 65.00mm
  • Type: Piston Kit
  • UPC: 193564147608
    Includes The Following Components
  • 2973TD - 75.50 mm Ring Set
  • 721M07550 - Polaris 300 ATV '94-00 ProLite 2973TD
  • B1014 - Top End Bearing 18 x 23 x 21.8mm
  • CW18 - 18mm Round Wire Locks - Set of Two
  • Ring - Set
  • S513 - PistonPin 18mm x 2.303" NonChromed TW
  • W5667 - TopEnd Gskt Kit Polaris ATV 300 '94-00

  • Top End kit includes: piston, rings, wrist pin, clips, top end bearing (2 strokes), and gasket kit
  • Each piston is built from race proven designs that are chosen by the top race teams in all forms of racing including Supercross, Motocross, GNCC, Superbike, and more
  • 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
Wiseco's complete top end Piston Kits are offered for nearly every popular motorcycle application. These kits contain everything you need to complete your rebuild the right way, the first time. High quality parts specifically chosen by us to match our forged pistons are included in this kit for easy one stop shopping.

This part fits the following

ATV / SxSPolaris300 2x419941
ATV / SxSPolaris300 2x419951
ATV / SxSPolaris300 4X419941
ATV / SxSPolaris300 4X419951
ATV / SxSPolarisXplorer 300 4x419962811
ATV / SxSPolarisXplorer 300 4x419972811
ATV / SxSPolarisXplorer 300 4x419982811
ATV / SxSPolarisXplorer 300 4x419992811
ATV / SxSPolarisXplorer 300 4X420001
ATV / SxSPolarisXpress 30019963001
ATV / SxSPolarisXpress 30019973001
ATV / SxSPolarisXpress 30019983001
ATV / SxSPolarisXpress 30019993001

This product was added to our catalog on Tuesday 18 August, 2020.

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