Upgrade your classic ride with the premium quality engine wiring harness from Lectric Limited, designed exclusively for the 1971 Chevrolet Fullsize models. This meticulously crafted harness ensures optimal performance and reliability for your 350 & 400 C.I. engines with the T.H. 400 automatic transmission. Unlike standard harnesses, our product is engineered for durability, providing a perfect fit and precise connections to support your vehicle's electrical demands and enhance its performance.