All parts listed as NOS are genuine ex-dealer stock and guaranteed NOS. Some parts may have a protective coating, or some light surface rust/corrosion. If you are not fully satisfied with your item, for.Reason, return it for a. Get images that make Supersized seem small. Tailor your auctions with Auctiva's. The item "1953 Engine Motor Magneto Norton 500 Model 88 Dominator 639r" is in sale since Tuesday, January 14, 2020. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Antique, Vintage, Historic". The seller is "ebvc" and is located in Phoenixville, Pennsylvania. This item can be shipped worldwide.