Description
The Wiseco Piston Kit is engineered for the RZR XP 900 to deliver consistent power and reliability under demanding conditions. Whether you’re pushing hard on the track or exploring rough terrain, this precision-machined piston ensures optimal combustion efficiency and durability. At 10.6:1 compression with a standard 93mm bore, you get a direct OEM replacement that maintains your engine’s intended performance characteristics without compromise.
Wiseco pistons are manufactured to exacting tolerances, providing the fit and finish that separates quality rebuilds from mediocre ones. This kit gives you the foundation for a properly functioning top-end that won’t let you down when it matters most.
- 93mm standard bore
- 10.6:1 compression ratio
- Polaris RZR XP 900 specific
- Precision CNC-machined
- High-strength materials
- OEM-equivalent fitment
- Bolt-on installation
- MPN: 40045M09300
- Gasket set sold separately









