2 SPI .010 Over Bore Piston Kits for Ski-Doo 550F Sleds 550 Fan Cooled 76.25mm

SPI .010 Over Bore Piston Kits for Ski-Doo

These SPI .010 over bore piston kits offer a precise oversized replacement for Ski-Doo 550F fan cooled snowmobile engines, restoring performance after cylinder boring.

Overview

These SPI .010 over bore piston kits are specifically designed for Ski-Doo 550F fan cooled sleds. Each kit provides the necessary 76.25mm oversized pistons to match a .010 over bore cylinder. They are ideal for rebuilding engines that have been bored to remove wear or damage.

Built For Performance

• Machined from high-strength aluminum alloy for durability
• Includes precisely matched rings for optimal compression
• Wrist pin and circlips included for easy installation
• Oversized design accommodates cylinder boring up to .010 over
• Engineered to restore original power and efficiency
• Meet or exceed OEM specifications for fit and function

Fits These Machines

• for Ski-Doo 550F Fan Cooled Sleds

On-The-Job Use

• Used for rebuilding Ski-Doo 550F fan cooled engines
• Ideal for snowmobile top-end overhauls
• Commonly applied in recreational trail riding and racing
• Suitable for engines requiring an oversized piston after cylinder boring

Specs At A Glance

Good To Know

Q: Do I need to bore my cylinders to use these pistons? A: Yes, these are .010 over bore pistons, so your cylinders must be bored to 76.25mm to ensure proper fit and clearance.

Q: Are these pistons compatible with all Ski-Doo 550F engines? A: These pistons are designed for Ski-Doo 550F fan cooled snowmobile engines. Always confirm your engine model and serial number before ordering.

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