The ACdelco Genuine Spark Plug Wire Set 9748HH is designed for GMC, Chevrolet, and Silverado vehicles. It comes with a manufacturer warranty and is a direct replacement part. The wire set includes 8 spark plug wires with a length of 9 inches each, ensuring a perfect fit for your vehicle. With interchange part numbers and cross-reference details, this product offers quality and reliability for your engine’s spark plug system.