Primary Chains, worn and new RK replacement. Jan 8, 2024 21:18:40 GMT -5 t140v and timpa136 like this Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by wayne on Jan 8, 2024 21:18:40 GMT -5 By members KANONKOPDRINKER and HGH770N. If you're interested in buying one of the newly manufactured chains (IE not NOS, 21st century metallurgy), see this post (Jan 2024)- re5rotary.proboards.com/thread/3252/new-primary-chains-21190-37020Worn chain:Newly manufactured chain: