Enhance your classic Chevy with our Premium Power Accessory Battery Feed Extension Wire. Designed specifically for 1963 and 1964 Chevrolet Fullsize models, this wire harness ensures a secure, reliable connection from the firewall to the circuit breaker. Say goodbye to frayed wires and unreliable connections—our durable extension wire offers superior performance and longevity over traditional options, providing you with peace of mind on every drive.