2 Sets SPI Standard Bore Piston Rings for Polaris XC 500, XC SP 500 RMK 70.5mm

SPI Standard Bore Piston Rings for Polaris XC 500

These two sets of SPI standard bore piston rings are designed for Polaris XC 500, XC SP 500, and RMK 500 snowmobiles, sized at 70.5mm to restore compression and performance.

Overview

The SPI standard bore piston rings for Polaris XC 500, XC SP 500, and RMK 500 models are manufactured to 70.5mm bore size for direct replacement in stock cylinders. Each set includes two rings per piston for complete coverage. These rings restore proper compression, reduce oil consumption, and improve engine efficiency in two-stroke snowmobile engines.

Built For Performance

• Standard bore size of 70.5mm for exact fit
• Made from durable cast iron for long wear
• Includes two rings per set as required
• Designed to match OEM ring specifications
• Two sets included in this package

Fits These Machines

• for Polaris XC 500
• for Polaris XC SP 500
• for Polaris RMK 500

On-The-Job Use

• Used during engine rebuilds to restore compression
• Commonly replaced when piston rings show wear or scoring
• Suitable for snowmobile engines used in deep snow or trail riding

Specs At A Glance

Good To Know

Q: Are these rings suitable for a stock Polaris 500 engine? A: Yes, these are standard bore rings intended for use with stock cylinders and pistons of 70.5mm diameter.

Q: Do I need to gap the rings before installation? A: Yes, ring end gap should be checked and adjusted according to the manufacturer's specifications for your specific cylinder condition.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.