Spark Plug, (Resistor, Copper Core), CJ5 4.2 CJ5 2.5 AMC CJ7 4.2 CJ7 2.5 AMC CJ8 4.2 CJ8 2.5 AMC 87-95 YJ 2.5/4.0 84-87 XJ 2.5 78-87 SJ 4.2/5.9/6.6
Spark Plug; 77-98 Jeep CJ/YJ/XJ/MJ/ZJ/SJ
Is your Jeep running rough? Changing the spark plugs will usually help it run better. Over time the electrode will erode causing a larger spark gap. Spark plugs are usually easy to replace. Get high quality replacement spark plugs from Omix-ADA to keep your Jeep running smooth. It may even help your gas mileage.