The Lisle LIS65900 Spark Plug Rethreading Kit - Ford 4.6 & 5.4 replaces stripped spark plug threads on Ford V10, 4.6 and 5.4 liter engines. See our exclusive Tech Article for more information.
4.6 and 5.4 Spark Plug Thread Repair Made Easy - LIS65900
• This precision tool accurately replaces stripped Ford spark plug threads with new thread inserts
• Thread repair performed on the car without removing the engine head
• This set includes a drill, tap, swedge tool, insert tool, 10 steel inserts, plus a vacuum adapter to remove shavings from the chamber
• The tool set installs a new spark plug thread insert in the exact original position in approximately 20 minutes
IMPORTANT: An inspection scope must be used to insure all shavings are removed from the combustion chamber. An inspection fiber optic borescope is not included in the LIS 65900 set. Customers that viewed this also looked at our Fiber Optic Borescope section.