SPI .040 Over Bore Piston Kit for Polaris 500 Snow fits 1985-2006 488cc 73mm

.040 Over Bore Piston Kit for Polaris

This .040 over bore piston kit for Polaris 500 Snow engines is a high-performance replacement that restores compression and power by matching the 73mm bore size, compatible with OEM specifications.

Overview

This .040 over bore piston kit is designed for Polaris 500 Snow models from 1985 to 2006, providing a reliable replacement or rebuild for worn pistons. The kit includes a precision-machined piston with rings and wrist pin, ensuring a proper fit and long service life. Ideal for Polaris 500 Snow engines needing a .040 overbore, this kit delivers dependable performance for snowmobile applications.

Built For Performance

• Precision-cast aluminum piston for durability
• .040 overbore increases displacement slightly
• Includes rings and wrist pin for complete installation
• Designed for 73mm bore size
• High-quality construction for extended engine life
• Direct replacement for worn OEM pistons

Fits These Machines

• for Polaris 500 Snow (1985-2006)

On-The-Job Use

• Trail riding and snowmobiling
• Mountain and backcountry use
• Ice fishing and winter recreation
• Utility snow transport

Specs At A Glance

Good To Know

Q: Can this piston kit be used with stock cylinder? A: Yes, when the cylinder is bored to .040 over the original size, this kit is a direct fit.

Q: Does the kit include the piston pin? A: Yes, the kit includes piston, rings, and wrist pin for complete installation.

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