2 Sets of Namura Standard Bore Piston Rings for Polaris 850 ATV's 87mm
2 Sets of Namura Standard Bore Piston Rings for Polaris 850 ATV's 87mm
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2 Sets of Namura Standard Bore Piston Rings for Polaris 850 ATV
These two sets of Namura standard bore piston rings are designed for Polaris 850 ATV engines with an 87mm bore size.
Overview
The 2 Sets of Namura Standard Bore Piston Rings provide a reliable sealing solution for Polaris 850 ATV engines. These piston rings are intended for cylinders at standard bore size, not overbored. They offer consistent compression and oil control for improved performance.
Built For Performance
- Namura brand piston rings for quality and fit
- Standard bore size for engines needing no overbore
- Ductile iron construction for durability
- Precision-machined for proper cylinder sealing
- Sold as two sets for convenience
On-The-Job Use
- Engine rebuilds for Polaris 850 ATVs
- Routine top-end maintenance
- Replacing worn rings in high-mileage engines
Specs At A Glance
| Bore Size | 87mm |
| Type | Standard Bore |
| Quantity | 2 Sets |
| Brand | Namura |
Good To Know
Q: Are these rings pre-gapped? A: No, the rings require gap measurement and adjustment during installation to match your cylinder bore.
Q: Do I need to hone the cylinder before installation? A: Yes, a proper cross-hatch hone is recommended to ensure ring seating and oil retention.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.
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