2 Sets of SPI Standard Bore Piston Rings for Arctic Cat ZR440 1996-2001 66.5mm
2 Sets of SPI Standard Bore Piston Rings for Arctic Cat ZR440 1996-2001 66.5mm
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SPI Standard Bore Piston Rings for Arctic Cat
These two sets of SPI standard bore piston rings are 66.5mm ring sets designed for Arctic Cat ZR440 snowmobiles from 1996‑2001.
Overview
The SPI standard bore piston rings provide two sets of 66.5mm rings for Arctic Cat ZR440 models produced between 1996 and 2001. Each set includes the necessary rings to reseal the piston in the cylinder, restoring compression and engine performance. Use these piston rings during a top‑end rebuild on your Arctic Cat ZR440.
Built For Performance
- Manufactured from high‑carbon steel for durability
- Pre‑gapped to factory specifications for easy installation
- Includes both compression and oil rings per set
- Designed to reduce blow‑by and oil consumption
- Direct replacement for worn OEM rings
Fits These Machines
- for Arctic Cat ZR440 (1996‑2001)
On‑The‑Job Use
- Rebuilding the top end of an Arctic Cat ZR440 snowmobile
- Restoring lost compression in a high‑mileage engine
- Replacing rings during a full engine overhaul
- Performing preventative maintenance on a vintage snowmobile
Specs At A Glance
| Bore Size | 66.5mm (Standard) |
| Quantity | 2 Sets (4 rings per set, total 8 rings) |
| Brand | for SPI |
| Compatible Models | Arctic Cat ZR440 |
| Year Range | 1996‑2001 |
Good To Know
Q: Do these rings work for a 66.5mm bore that has been honed? A: Yes, they are standard bore rings suitable for a factory‑size cylinder that has been honed within specs.
Q: Are the rings pre‑gapped or do I need to file them? A: They are pre‑gapped to factory tolerances, but always check end gap during installation to ensure proper clearance.
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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