2 SPI .060 Over Bore Piston Kits for Polaris 500 Snow 1985-2006 488cc 73.5mm

SPI .060 Over Bore Piston Kit for Polaris 500 Snow

This SPI .060 over bore piston kit is designed for Polaris 500 Snow models from 1985 to 2006, delivering a 488cc displacement with 73.5mm bore to restore engine performance and power.

Overview

This SPI .060 over bore piston kit for Polaris 500 Snow increases bore size to 73.5mm, boosting displacement to 488cc for enhanced engine output. It is suitable for snowmobile enthusiasts rebuilding their Polaris 500 Snow engine from 1985 through 2006, ensuring reliable operation and improved throttle response.

Built For Performance

• Precision-machined 73.5mm bore with .060 over size for increased displacement
• High-strength aluminum alloy construction for durability under high heat
• Includes piston rings and wrist pin for a complete top-end rebuild
• Designed to match OEM specifications for reliable fitment
• Forged piston design reduces weight while maintaining strength

Fits These Machines

• for Polaris 500 Snow (1985-2006)

On-The-Job Use

• Rebuilding snowmobile engines for winter trail riding
• Restoring lost compression and power in older Polaris 500 Snow models
• Enlarging bore for increased performance on snow
• Replacing worn pistons during a full engine overhaul

Specs At A Glance

Good To Know

Q: Do I need to replace piston rings with this kit? A: Yes, the kit includes new piston rings and wrist pin to ensure a proper seal and prevent oil consumption during operation.

Q: Can this piston kit be used on non-Polaris snowmobiles? A: No, this kit is specifically designed for Polaris 500 Snow engines from 1985 to 2006 and should not be used on other brands or models.

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