100mm Big Bore Custom 12.5:1 CP Piston Kit. Fits Suzuki RMZ450 Dirt Bikes. Piston includes rings, pin, and circlips. X forging is strongest available.Works with race gas or pump gas. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle & Scooter Parts & Accessories\Engines & Engine Parts\Pistons, Rings & Piston Kits". The seller is "azquadparts" and is located in this country: US. This item can be shipped worldwide.