Description
If you’re running a 2001-2003 Polaris Sportsman 400 4×4 on the trail or track, piston durability and power output directly determine your engine’s reliability and performance ceiling. The Wiseco 84.50mm piston kit delivers the forged strength and precision engineering needed to push higher RPMs without sacrificing longevity, while the E-Coated surfaces and strutted construction resist wear under sustained load. Whether you’re tuning for more horsepower or simply want a dependable replacement that outlasts stock components, this kit gives you the sealed, high-compression platform serious riders demand.
- High-silicon aluminum alloy
- Forged construction
- 84.50mm bore diameter
- E-Coated crown and grooves
- Ultra-stiff strutted design
- Includes rings, wrist pins, circlips
- Cylinder sleeves sold separately
- GP Series compression profile
- Extended service intervals
- Trail and racing ready
- MPN: 675M08450
- Polaris Sportsman 400 4×4 2001-2003
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