ApplicationCompatible for Ford 1996-2003 4.6L, 5.4L, and 6.8V-10 two valve engines （all other engines will not fit, please check before purchasing.） Vehicle models are for reference only, as follows compatible for Ford Triton two valve models below： Engine 4.6 SOHC 2V for F150 2009*38900 2V's only for F250 1997-1999 for E150 1997-2014 for E250 1998-2014 Compatible for Expedition 1997-2004 Compatible for Explorer 2002-2005 Compatible for Crown Victoria 1992-2011 compatible for Mustang 1996-2004 Excludes Cobra compatible for Lincoln Town Car 1991-2011 compatible for Mercury Grand Marquis 1992-2011 compatible for Mercury Cougar XR7 1994-1997 compatible for Mercury Mountaineer 2002-2005 Engine 5.4 SOHC 2V for F150 1997-2003 for F150 2004*38900 2V's only for F250 & F350 1997-2004 for E150/Compatible for E-Series 1996-2016 Compatible for Expedition 1996-2004 for Excursion 2000-2005 compatible for Lincoln Navigator 1998-1999*38900 2V's only Engine 6.8 SOHC 2V for F250-550 for F53 1997-2004 for E350- E450 2014-2016 for Motorhome 1997-2004 for Excursion 2000-2005OE/Part number38900SpecificationMaterial: 45# carbon steel Inserts size: Internal thread M14x1.25 helicoil , External thread 3/4-16Package includedM4-1.25 Inserts*8 Snap lron Pieces*2 Twist Drill*1 Screw Tap*1 Line up Guide*1 Cylinder Leak Tester*1 Storage compatible for Case*1 (As shown in the figure)FeatureOur spark plug thread repair kit with M14-1.25 inserts is compatible with compatible for Ford vehicles from 1996 to 2003. It includes Replacement Inserts, Part No. 389-100. This kit is designed for use on 4.6L, 5.4L, and 6.8L V-10 two-valve engines. The 38900 thread repair tool fixes the frequent problem of damaged heads from blown spark plugs by replacing the inserts.Note*The rotary head of screw tap, twist drill usually needs to be coated with anti-rust oil for maintenance, if it is not used for a long time, anti-rust oil should be applied before storage to prevent rust during long-term storage. *Please make sure the car model matches our products before purchasing. *To avoid damage, use a cylinder leak detector to make sure the valve is closed before repairing. Spark plug shavings can damage the engine, recommend to use a compressed air nozzle to blow the shavings out of the cylinder and a borescope make the cylinder clear.
