Snapper Drive Disc 5-3103 and 5-7423 with Brake Liner Installed. OD 6" ID 5-1/8" Snapper friction ring 5-3103 or snp-7053103 Replacement OD 6" ID 5-1/8" Fits Snapper rear engine riders that use an inner brake liner Brake liner installed "Ready to Go" and made in the USA