Wossner Piston Ring 66.50 mm Arctic Cat ZR 440 1996-1998 RST6650
Part Number: 09120868Description
Piston ring degradation directly compromises combustion efficiency and power output in 2-stroke engines. The Wossner RST6650 restores precise bore sealing, ensuring consistent compression and eliminating blowby losses that rob performance. If you're rebuilding a ZR 440 or maintaining race-ready equipment, this OEM-quality replacement is essential for reliable power delivery.
Designed specifically for Wossner 2-stroke pistons, the RST6650 delivers the exact bore fit and sealing characteristics your engine demands. Installation is straightforward—a bolt-in replacement that minimizes downtime during top-end service.
- Bore diameter: 66.50 mm
- Fitment: Arctic Cat ZR 440
- Model years: 1996–1998
- Application: Wossner pistons only
- Material: High-grade alloy
- Restores combustion sealing
- Minimizes blowby losses
- Bolt-on installation
- OEM-equivalent quality
- MPN: RST6650
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