For use on 4.6L, 5.4L and 6.8 V-10 Ford Triton Two Valve Engines. Fits for 4.6L, 5.4L and 6.8 V-10 Ford Triton Two Valve Engines. 12x Spark Plug Port Insert as picture show. Insert size: m14-1.25. High quality oversized steel alloy insert will repair other inserts that fail and has no ill effects from heat transfer.
