2 SPI Standard Bore Piston Kits for Polaris XC 500, XC SP 500 RMK Classic 70.5mm
2 SPI Standard Bore Piston Kits for Polaris XC 500, XC SP 500 RMK Classic 70.5mm
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2 SPI Standard Bore Piston Kits for Polaris
This set of two SPI standard bore piston kits provides a reliable replacement for Polaris XC 500, XC SP 500, and RMK Classic snowmobiles, featuring a 70.5mm bore size.
Overview
These SPI standard bore piston kits are designed for Polaris snowmobile engines, offering direct replacement for dealers and enthusiasts. Each kit includes a piston, rings, wrist pin, and circlips to restore compression and performance in 500cc twin-cylinder models.
Built For Performance
- Standard bore design maintains factory compression ratios
- Includes piston rings for proper sealing and reduced blow-by
- Wrist pin and circlips included for complete installation
- 70.5mm bore size matches OEM specifications for XC 500 engines
- Sold as a pair for both cylinders
Fits These Machines
- for Polaris XC 500
- for Polaris XC SP 500
- for Polaris RMK Classic
On-The-Job Use
- Snowmobile engine rebuilds
- Trail riding and recreational snowmobiling
- Racing and performance applications on 500cc Polaris models
Specs At A Glance
| Bore Size | 70.5mm |
| Quantity | 2 |
| Type | Standard Bore |
Good To Know
Q: Do these piston kits include piston rings? A: Yes, each piston kit comes with rings, wrist pin, and circlips for a complete top-end rebuild.
Q: Are these pistons compatible with aftermarket cylinders? A: They are designed for standard bore cylinders; if cylinders have been overbored, a different size may be required.
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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