Middletown,Del.800-341-4028 I had to purchase thru parts, they don't offer it as a kit.Divider part # 87510672. It is in the 2009 parts book for 7120,8120,&9120 on page K.64.D.75, picture of adjustable distributor parts in previous post.http://picasaweb.google.com/elb1mike/FlapsAndSpreader#