2 SPI .010 Over Bore Piston Kits for Polaris Widetrak LX 500 1998-2011 72.25mm

2 SPI .010 Over Bore Piston Kits for Polaris

These piston kits provide a .010 inch oversize bore for Polaris Widetrak LX 500 snowmobile engines from 1998 to 2011, using a 72.25mm bore diameter.

Overview

These 2 SPI .010 over bore piston kits are designed for rebuilding Polaris Widetrak LX 500 engines. Each kit includes a pair of pistons, rings, and wrist pins for a complete top-end overhaul. The .010 oversize allows for a fresh bore on worn cylinders, restoring compression and performance.

Built For Performance

• Precision-machined from high-strength aluminum alloy for durability
• Coated skirts reduce friction and wear during operation
• Plasma-moly piston rings provide excellent seal and longevity
• Matched weight sets ensure balanced engine operation
• Includes wrist pins and circlips for easy installation

Fits These Machines

• for Polaris Widetrak LX 500 (1998-2011)

On-The-Job Use

• Backcountry trail riding and snowmobile adventures
• Snowmobile racing and high-performance applications
• Heavy snow conditions requiring reliable engine output
• Restoration of older Polaris Widetrak LX 500 snowmobiles

Specs At A Glance

Good To Know

Q: What is included in the kit? A: Each kit includes two pistons, piston rings, wrist pins, and retaining circlips.

Q: Can these pistons be used with a standard bore? A: No, these are .010 oversize and require the cylinder to be bored to match.

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