Increase starter performance by supplying maximum battery current to the starter motor4-gauge cable manufactured with pure electrolytic-grade, 36-gauge tinned copper strands for maximum current transfer and flexibilitySpecially rated 125C, oil-and-gas-resistant, ultra-flexible translucent jacket guarantees excellent performanceAvailable in translucent black and clearAll cables manufactured with 1-1/4in. terminal and 1-5/16in. terminal