SPI .020 Over Bore Piston Kit for Polaris Indy 600 XCR, XLT, Triumph 65.5mm

.020 Over Bore Piston Kit for Polaris

This .020 over bore piston kit for Polaris Indy 600 XCR, XLT, and Triumph models increases displacement and restores compression in high-mileage engines. It features a 65.5mm bore size for a precise fit.

Overview

This .020 over bore piston kit for Polaris snowmobiles is designed for the Indy 600 XCR, XLT, and Triumph models. The 65.5mm bore piston kit replaces worn pistons and rings to refresh engine performance. Ideal for rebuilding a Polaris 600 engine, this .020 over bore piston kit helps regain lost power and reliability.

Built For Performance

• Oversized .020 over bore for increased displacement
• 65.5mm diameter for precise cylinder fit
• Includes piston rings and wrist pin
• Constructed from high-silicon aluminum for durability
• Compatible with standard cylinder bore preparation
• Balanced weight for smooth operation

Fits These Machines

• for Polaris Indy 600 XCR
• for Polaris Indy 600 XLT
• for Polaris Triumph 65.5mm

On-The-Job Use

• Rebuilding high-mileage engines for trail riding
• Restoring compression in race or performance sleds
• Overhauling snowmobile engines during off-season maintenance
• Replacing damaged pistons after a seizure or failure

Specs At A Glance

Good To Know

Q: Can this piston kit be used with stock cylinders? A: Yes, the .020 over bore kit requires the cylinder to be bored to 65.5mm by a qualified machine shop before installation.

Q: Does it include a gasket set? A: This piston kit includes the piston, rings, and wrist pin; a separate gasket set is typically needed for a complete rebuild.

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