All components will interchange with OEM. High performance, cast pistons closely match original equipment. Engineered for the best possible heat transfer from combustion chamber to cylinder walls. All pistons are priced with ring(s), wrist pins and circlips.
Fits the following Ski-Doo models: 71 Valmont 399; 69-73 Olympique; 70-71 Alpine 399; 70-71 Nordic 399
|OEM Replacement This part is aftermarket equipment designed to replace the original manufacturer's part numbers specified here. It is manufactured using high-quality materials, to the same specifications as the original part.||Ski-Doo 420-9940-30|
|Number of Cylinders||2|