Ignition and tune up kits better your Jeep’s gas mileage, throttle response, power and spark your overall performance. These systems include distributors, distributor drive gears, ignition timing controllers and many other components. 4WD carries Omix-ADA tune up kits with filters to replace the parts that work in concert to make your internal combustion engine run smoothly. Choose an ignition kit for your stock or supercharged engine that’s easy to connect from top brands like MSD, Accel and Performance Distributors. These kits come complete with all accessories and are compatible with different Jeep model engines.