SPI SM-09144B Dual Ring Piston Kit for Ski-Doo

Machined smooth heads

MOS 2 Coating:

Draws heat through piston walls and out the bottom

Reduces heat and friction, for added power and longevity

Helps eliminate cold seizures, and increases durability

Hard anodized crowns

Hypereutectic Cast

The SPI SM-09144B Dual Ring Piston Kit is designed for select Ski-Doo snowmobile applications requiring dependable piston replacement components. This kit provides a practical solution for restoring engine performance and supporting consistent operation during maintenance or rebuild work. Manufactured by SPI, it is intended for powersports technicians, repair shops, and snowmobile owners seeking a replacement kit identified by a specific part number.
The dual-ring piston design supports proper compression and efficient combustion when matched to the correct Ski-Doo engine application. Before ordering or installation, verify compatibility with the snowmobile’s year, model, engine configuration, and existing piston specifications. Correct application matching helps ensure proper fit, reliable function, and a smooth installation process.
This SPI piston kit is supplied as a complete kit and is sold as one unit. Follow the engine manufacturer’s service procedures for inspection, preparation, ring installation, cylinder clearance, lubrication, and break-in. Professional installation is recommended when rebuilding or servicing an internal engine assembly. The SPI SM-09144B offers a focused replacement option for maintaining the performance and serviceability of compatible Ski-Doo snowmobiles.

Features:

• Brand: SPI

• Part Number: SM-09144B

• Application: Select Ski-Doo snowmobile models

• Design: Dual-ring piston kit

• Package Type: Kit

• Unit of Measure: Kit