Genuine Yamaha Parts NOS, 1979 YZ400, 2X5-11601-20, PISTON RING SET, (0.50) OVERSIZE. RP473 T7R, RARE PART, AUSTRALIAN STOCK.(parts are new old stock), these parts have been siting on the shelf for many years. These parts may have dusty dirty and possibly damaged packaging. Please study the photo's as what is depicted in these photos is reflective of what is for sale. Some parts will have surface rust, ageing marks and some will be in excellent condition. We will do our best to rectify any problem as soon as possible. Issues can always be worked out - i would rather fix issues than lose a customer. Please ask questions using the e-bay messaging system. This is the easiest and fastest way to communicate. This item is in the category "Vehicle Parts & Accessories\Motorcycle & Scooter Parts & Accessories\Other Motorcycle & Scooter Parts & Accessories".ia74" and is located in this country: AU. This item can be shipped worldwide.