Many newer vehicles are using coil on plug ignition in lieu of traditional coil and ignition wire systems. The spark plug conntctor spring and boots are starting to fail. Boots are prone to burn through and arching. Poor fitting springs sometimes weld themselves onto the plug or coil making removal difficult without stretching the springs completely out of shape when changing the spark plugs or removing the coil (Ford).

We are happy to announce the immediate availability of coil-on-plug tune-up kits that include spark plug boots and contact springs in sets of 4, 6, 8 or 10 cylinders.