Upgrade your classic 1957 Chevrolet Fullsize with our premium Steering Column Turn Signal Switch Adapter Harness. Designed specifically for use with Flaming River or 1977 and later GM columns, this adapter seamlessly connects your turn signals, horn, and four-way flashers to the stock 1957 dash harness. Say goodbye to compatibility issues and hello to a hassle-free installation with our reliable and high-quality solution.