Upgrade your classic ride with the GM 1955-57 Chevrolet Fullsize Front Light Harness. Designed specifically for 1955 to 1957 models, this premium wiring solution ensures reliable performance and hassle-free installation. With modifications for the passenger side and compatibility with 1985 and earlier SI series internally regulated alternators, our harness stands out from the competition by offering enhanced safety, durability, and ease of use.