Enhance the performance of your classic 1966 Buick Skylark, Special, or Gran Sport with our premium Lectric Spark Plug Wire Set. Specifically designed for the 401 and 425 cubic inch engines, these reproduction spark plug wires not only restore your vehicle's authenticity but also improve engine efficiency and ignition performance. Unlike alternatives on the market, our wire sets feature top-quality materials that resist heat and wear, ensuring longevity and reliable performance.