ACCEL TST17 Truck Super Tune-Up Kit Everything you need to super tune your vehicle in one package Includes a distributor cap and rotor a wire set and a complete set of spark plugs Designed specifically for 1991 to 1993 Jeeps with 4.0L inline 6 cylinder engines and High Output fuel injection Spark plug wires are pre cut to exactly the right length Easily installed and backed by ACCEL's famous Limited 1 Year Warranty