CDI-511-9766T Spark Tester WThreaded Tips Sealed design reduces possibility of fire, an be used to test 1-8 Cyl., Pins designed for threaded spark plug Adjust from 18 in, 14 in, 38 in and 12 in. Requires you to use your existing Spark Plug wires Features Spark Tester Threaded Tips Replaces 511-9766T California Residents WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov Other Details Google Product Type Special Tools Wiser Yes Product MPN 511-9766T Product UPC 736983855091 Fast Ship In St