The Accel Truck Super Tune-Up Kits have been engineered by the professionals at Accel to provide you with everything that you need to super tune your pickup, van, or SUV including a custom-fit Extreme 9000 wire set, a distributor cap, and race proven U-Groove spark plugs. These kits will deliver maximum burn efficiency for improved performance, reduced emissions and better fuel economy! Note: Some inline 6-cylinder applications use the 5000 Series Wire Set where extreme heat is not a concern.