Mercury - 5/6 Engine Core Rigging Kit Helm 2 8M0184353. OverviewThis kit pulls together the main rigging pieces needed to run five or six engines from Helm 2. It keeps things organized so you're not chasing wires between helms or dealing with a messy layout when both stations are active. On big multi-engine boats, having the second helm wired cleanly makes the whole system feel steadier and easier to live with. It's a straightforward kit that helps both helms "agree" with each other without any