Description
If you’re running a Polaris Sportsman 90 and looking to reclaim lost compression or prepare for a rebuild, the Wiseco 839M05300 piston kit delivers the precision and durability you need. This +1.00mm oversize forged aluminum piston restores your engine to peak performance while improving combustion efficiency—essential if you’ve experienced bore wear or are building toward higher output. Installation is straightforward with standard tools, making this an ideal choice for both professional rebuilds and serious DIY work.
Technical Specifications:
- Wiseco part number: 839M05300
- Oversize: +1.00mm
- Bore diameter: 53mm
- Vehicle fitment: Polaris Sportsman 90 (2001–2005)
- Material: Forged aluminum
- Construction: Precision-engineered
- Strength: Enhanced durability rating
- Combustion: Optimized efficiency
- Installation: Bolt-on compatible
- Tools required: Standard
- Gasket kit: Sold separately
