SPI .020 Over Bore Piston Kit for Polaris Classic Touring 500 1997-2000 72.5mm

SPI .020 Over Bore Piston Kit for Polaris

This SPI .020 over bore piston kit is designed for rebuilding Polaris Classic Touring 500 snowmobile engines, using a 72.5mm piston for a precise oversize fit.

Overview

The SPI .020 over bore piston kit provides a high-quality replacement piston for Polaris Classic Touring 500 engines from 1997-2000. This 72.5mm piston is machined to exacting standards to restore compression and power after cylinder boring. The kit includes piston rings and wrist pin for a complete top-end rebuild.

Built For Performance

• Cast aluminum piston with precision skirt profile
• Includes moly-coated rings for reduced friction and quick seating
• Pin and circlips included for complete installation
• Designed for .020 over bore (0.5mm oversize)
• Manufactured to OEM specifications for reliable fit

Fits These Machines

• for Polaris Classic Touring 500 1997-2000

On-The-Job Use

• Snowmobile engine rebuilds
• Trail and touring riding
• Restoration of vintage Polaris snowmobiles
• Performance restoration after cylinder wear

Specs At A Glance

Good To Know

Q: Is this piston kit compatible with other Polaris models? A: This kit is specifically designed for the Polaris Classic Touring 500; other models may require different bore sizes.

Q: Does the kit include a cylinder head gasket? A: No, only the piston, rings, wrist pin, and circlips are included; additional gaskets are sold separately.

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