Sprockets are made of high-quality steel and have OEM gearing. Chain is Regina's high-performance Z-ring series with gold outer plates and Z40 sealing rings, which dramatically improves performance and wear life; includes both clip- and rivet-type masterlinks. 520 conversion kits include all the above, but the rear sprocket is aluminum rather than steel, which in some applications reduces the chain + sprocket weight by as much as 2.5 lb. We do not mark items as "gifts".If your tracking information states'Delivered', but you have not yet received your package you should. A doorstep, front porch, back porch, garage, window, etc. (A well-meaning neighbor might have taken your package inside their house for safekeeping or for protection against the weather). Wait 24 hours (in rare cases tracking may say delivered up to 24 hours prior to arrival). We understand that such delays can be very inconvenient when they occur, but we do not have any influence over such situations. The item "Regina Chain 5ZRP/112-KHO012 520 ZRD Chain and Sprocket Kit 520 Conversion Kit" is in sale since Monday, June 15, 2020. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Drivetrain & Transmission\Chains, Sprockets & Parts". The seller is "oemcycles" and is located in Loudon, Tennessee. This item can be shipped worldwide.