Revitalize the performance of your classic 1964 Buick Fullsize or Riviera with our premium Transmission Kickdown Switch Repair Harness. Designed specifically for the S.T. 300 automatic transmission, this high-quality harness provides a precise and secure connection, ensuring seamless operation and improved longevity. Unlike inferior alternatives, our repair harness is crafted for easy installation and is built to meet the demands of your vintage ride, making it the ideal upgrade for any enthusiast.