Sparex source: https://us.sparex.com/planter-drive-chain-41-1-x-162-links-130713.html Product: Planter Drive Chain 41-1 X 162 Links - Sparex S.130713 SKU: S.130713 Listing note: Case-IH: Rear Insecticide/Herbicide chain Detail enrichment pending: OEM cross references, fitment, catalog pages, and full specifications.