Mercury - 5/6 Engine Core Rigging Kit Helm 1 98-8M0204819. OverviewThis kit pulls together the main rigging pieces you need when you're running five or six engines from Helm 1. It takes a lot of the guesswork out of the setup, so you're not chasing wires or juggling mismatched parts. Everything lands in a cleaner layout, which makes a big difference on boats with this many engines working at once. It helps the helm feel calmer and a lot easier to manage.. Key Features • Helm 1 Core Kit - Sets up