Enhance the reliability and performance of your 1971 Buick Skylark, Special, or Gran Sport with our GM Engine Harness designed specifically for the powerful 455 C.I. engine. This premium-quality harness is engineered to ensure optimal connectivity, enhancing your engine's performance while minimizing electrical issues. Trust in our high-performance solution for a seamless installation and long-lasting durability, making it the perfect choice over generic alternatives.