FOR 114" MODELS INCREASES DISPLACEMENT TO 128". Available in both highlighted and non highlighted versions. Largest bore possible without machining required. Includes gaskets and hardware required for installation.This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Engines & Engine Parts\Big Bore & Top End Kits". The seller is "americanclassicmotors" and is located in this country: US. This item can be shipped worldwide.