For the boats with the GOIOT - BULKHEAD STEERER 100.

We are on a 445 would like to carry an extra steering roller chain and cable but have been unable to correctly identify the one on the boat. The current roller chain appears to have a 5/8" (.625) pitch and a 3/8" (.375) roller diameter. The cable and chain may be stainless? Our owner's manual does not get into this detail.

Has anyone replaced and/or can verify our measurements?