Please review all information below. If the build date of your smoker is prior to February 2015 please contact us prior to ordering as your shelf may require customization. The BBQ Slidin’ Shelf Kit w/o Drop In option for the Yoder YS640. There is 4“ of clearance between the top of the slide shelf and the bottom of the top shelf. Please watch our demo video and feel free to contact us with any questions. This kit includes a standard expanded metal shelf only. Some pictures may display the drop in model shelf. These will be built to order. Shipping and handling will be calculated at checkout. Please allow 1-2 weeks for custom build time before shipment. Disclaimer: Shelf should be washed and burnt in prior to first use. Weight capacity of the shelf is 60lbs. Edges may be sharp and the shelf will be hot when in use so use caution. Height difference of the cooking surface is approximately 1 1/4”, so cook times may vary.