SPI .010 Over Bore Piston Kit for Polaris 500 RMK fits 1997 1998 1999 72.25mm
SPI .010 Over Bore Piston Kit for Polaris 500 RMK fits 1997 1998 1999 72.25mm
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SPI .010 Over Bore Piston Kit for Polaris 500 RMK
This SPI .010 over bore piston kit replaces the original piston in Polaris 500 RMK models from 1997-1999, using a 72.25mm bore size. It is designed to restore engine performance and compression. This SPI .010 over bore piston kit is a direct fit for the specified Polaris engines.
Overview
The SPI .010 over bore piston kit is a high-quality aftermarket replacement for Polaris 500 RMK snowmobiles built between 1997 and 1999. It features a 72.25mm bore and is engineered to deliver reliable power and longevity. Whether rebuilding a worn engine or performing a top-end overhaul, this SPI .010 over bore piston kit provides the precision fit needed for optimal operation.
Built For Performance
- Manufactured to SPI’s exacting tolerances for consistent performance
- 0.010 over bore size (72.25mm) allows for cylinder resurfacing
- High-strength aluminum alloy construction resists heat and wear
- Includes piston, rings, and wrist pin for a complete rebuild
- Precision-machined skirt reduces friction and noise
Fits These Machines
- for Polaris 500 RMK (1997)
- for Polaris 500 RMK (1998)
- for Polaris 500 RMK (1999)
On-The-Job Use
- Used for engine rebuilds on Polaris 500 RMK snowmobiles
- Ideal for restoring compression after high-mileage use
- Commonly installed during top-end overhauls
- Also suitable for performance rebuilds requiring a .010 over bore
Specs At A Glance
| Bore Size | 72.25mm (0.010 over) |
| Compatible Models | Polaris 500 RMK 1997-1999 |
| Material | Aluminum alloy |
Good To Know
Q: Will this piston kit fit my Polaris 500 RMK if the cylinder has been bored more than .010? A: This kit is specifically for a .010 over bore. If your cylinder has been bored beyond that, you will need a different piston size.
Q: Does this kit include the piston rings and wrist pin? A: Yes, the kit comes complete with piston, rings, and wrist pin for a full replacement.
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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