Gold Big Bore Kit 44mm Cylinder Piston For 47cc 49cc Mini Dirt Pocket Bike ATV. Gold, As Shown In The Picture. Package included: This listing is for 1 Set, same to listing picture. Make Sure This Is The Right Item For You. The item "Gold Big Bore Kit 44mm Cylinder Piston For 47cc 49cc Mini Dirt Pocket Bike ATV" is in sale since Friday, March 18, 2016.This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Other Motorcycle Parts". The seller is "365moto" and is located in China. This item can be shipped worldwide.