3 SPI .020 Over Bore Piston Kits for Polaris Indy XLT 580 64.5mm 1992-1994

3 SPI .020 Over Bore Piston Kits for Polaris

This set of three piston kits over bores .020 for the Polaris Indy XLT 580 engine to 64.5mm, restoring cylinder compression and performance in 1992-1994 models.

Overview

These SPI .020 over bore piston kits are designed for the Polaris Indy XLT 580 snowmobile engine, increasing the bore size to 64.5mm to compensate for wear. Each kit includes three pistons, rings, and wrist pins for a complete top-end rebuild. Ideal for rebuilding the engine to like-new condition with improved power and reliability.

Built For Performance

• Precision-machined from high-strength aluminum alloy for durability
• .020 oversize restores proper cylinder clearance and compression
• Includes three complete piston assemblies for all cylinders
• Compatible with OEM specifications for Polaris Indy XLT 580
• 64.5mm bore diameter matches standard oversize requirement

Fits These Machines

• for Polaris Indy XLT 580 (1992-1994)

On-The-Job Use

• Engine top-end rebuild for snowmobiles
• Restoring lost compression and power
• Overcoming cylinder wear in high-mileage engines
• Preparing engine for high-altitude operation

Specs At A Glance

Good To Know

Q: Will these piston kits work with my Polaris Indy XLT 580? A: Yes, these are designed for the 1992-1994 models with the 580cc engine; confirm your engine displacement and cylinder condition before installing.

Q: Do I need to re-bore my cylinders to use these pistons? A: Yes, these are .020 over bore pistons so cylinders must be bored to 64.5mm for proper fit and clearance.

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