SPI Piston Kit for Polaris fits many 1973-1986 snowmobiles See model list

SPI Piston Kit for Polaris

This SPI piston kit is designed for many Polaris snowmobiles from 1973 to 1986, serving as a replacement piston for engine rebuilding.

Overview

This SPI piston kit fits a wide range of Polaris snowmobiles produced between 1973 and 1986. It includes a piston, rings, wrist pin, and circlips for a complete piston replacement. The kit is intended for sleds requiring a standard size piston in those model years.

Built For Performance

• Manufactured from high-strength aluminum alloy for durability
• Precision-machined ring grooves ensure proper compression
• Includes wrist pin and circlips for complete installation
• Matches OEM design for reliable operation

On-The-Job Use

• Installed during engine rebuilds on vintage Polaris snowmobiles
• Restores lost compression and engine power
• Commonly used in restoration projects for 1973-1986 Polaris sleds

Good To Know

Q: Does this piston kit include the rings? A: Yes, it includes piston rings, wrist pin, and circlips for a complete piston assembly.

Q: How do I know if this piston fits my Polaris snowmobile? A: It fits many models from 1973-1986; consult your engine displacement and part number to confirm.

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