Sparex source: https://us.sparex.com/vulcanised-fibre-washer-id-5-8-od-7-8-5717.html Product: Vulcanised Fibre Washer, Id: 5/8'', Od: 7/8'' - Sparex S.5717 SKU: S.5717 Detail enrichment pending: OEM cross references, fitment, catalog pages, and full specifications.