Increase starter performance by supplying maximum battery current to the starter motor 4-gauge cable manufactured with pure electrolytic-grade, 36-gauge tinned copper strands for maximum current transfer and flexibility Specially rated 125C, oil-and-gas-resistant, ultra-flexible translucent jacket guarantees excellent performance Available in translucent black and clear All cables manufactured with 1-1/4in. terminal and 1-5/16in. terminal