Pistons supplied in a kit package that includes rings, wrist pins and circlips Pro-X pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufactures.Pro-X piston kits are a first class solution to replace the original piston in your ATV, Motorcycle, Snowmobile, or PWC. This item is in the category "eBay Motors\Parts & Accessories\Snowmobile Parts\Engines & Components\Snowmobile Engine Components". The seller is "sledpartsguy" and is located in this country: US. This item can be shipped worldwide.