2 SPI .040 Over Bore Piston Kits for Ski-Doo 550F Sleds 550 Fan Cooled 77mm

2 SPI .040 Over Bore Piston Kits for Ski-Doo 550F Sleds

These SPI .040 over bore piston kits are replacement pistons designed for Ski-Doo 550F fan-cooled sleds, featuring a 77mm bore size for engine rebuilding. These piston kits provide reliable performance for overbore applications on Ski-Doo 550 fan-cooled snowmobiles.

Overview

These piston kits are aftermarket replacement components for Ski-Doo 550F fan-cooled snowmobile engines, offering a .040 over bore size to restore compression and power. They are intended for riders maintaining their Ski-Doo 550 sleds and needing durable pistons for a rebuild.

Built For Performance

• High-strength aluminum alloy construction
• Precision-machined ring grooves for optimal seal
• .040 over bore clearance for cylinder refurbishment
• 77mm diameter matches Ski-Doo 550F specifications
• Includes piston rings and wrist pins

Fits These Machines

• for Ski-Doo 550F fan-cooled snowmobiles

On-The-Job Use

• Engine rebuilding for Ski-Doo 550F sleds
• Overbore cylinder applications to extend engine life
• Restoring performance for recreational snowmobiling
• Winter trail riding maintenance

Specs At A Glance

Good To Know

Q: What is the bore size of these piston kits? A: The bore size is 77mm with a .040 overbore, designed for Ski-Doo 550F fan-cooled engines.

Q: Are these piston kits compatible with all Ski-Doo 550F models? A: These kits are intended for Ski-Doo 550F fan-cooled sleds; confirm your specific model's compatibility 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.