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 All cables manufactured with 1-1/4 in. terminal and 1-5/16 in. terminal For questions please contact EWS MotorSports