The Engine Stand attaches to half of either Merrick Machine rotisserie and holds virtually any engine. The four arms are independently adjustable to accommodate a variety of bolt-hole configurations. Heavy duty steel construction. Made in the USA. This item leverages the versatility of the rotisserie when not in use. This item ships directly from the manufacturer.Engine Stand Dimensions: • Weight: 50 lbs (not including the Base Stand Assembly) • Max. side-to-side mount hole distance: 16-7/8" (centerline) • Max. top-to-bottom mount hole distance: 17-1/16" (centerline) • Depth: 18-3/8" (including mount) • Working Depth:9-3/8"