Lock in ultra-reliable starting power and rock-solid terminal connections on your heavy-displacement machine with Yuasa 20mm/12mm Nut & Bolt Set with Round Spacers. Specially designed for high-output YTX20 and YTX20L series batteries, this specialized terminal hardware kit includes both 20mm and 12mm bolt options paired with custom round spacers. Loose connections and improper terminal seating can cause power-robbing voltage drops or leave you stranded on the trail, but this precision-engineered setup fills critical clearance gaps to ensure your main battery cables sit completely flush for maximum current transfer.