• for compressing the valve springs on Ford engines with 3-valve technology
• to be used as OEM 303-1039

suitable for the following models:

• Ford Expedition 5.4L (3 Valve) (2005-2014)
• Ford Explorer 4.6L (3 Valve) (2006-2010)
• Ford Explorer Sport Trac 4.6L (3 Valve) (2007-2010)
• Ford F-150 4.6L (3 Valve) (2009-2010)
• Ford F-150 5.4L (3 Valve) (2004-2010)
• Ford Super Duty F-250, F-350, F-450, F-550 5.4L (3 Valve) (2005-2010)
• Ford Super Duty F-250, F-350, F-450, F-550 6.8L (3 Valve) (2005-2016)
• Ford Super Duty F-250, F-350, F-450, F-550 6.8L Triton (30 Valve V10) (2017-2018)
• Ford F-53 Motorhome Chassis (2004-2007)
• Ford F-53 Motorhome Chassis 6.8L (3 Valve) (2008-2018)
• Ford F-59 Commercial Stripped Chassis 6.8L (3 Valve) (2011-2018)
• Ford Super Duty F-650 / 750 6.8L (3 Valve) (2012-2015)
• Ford Super Duty F-650 / 750 6.8L Triton (30 Valve V10) (2016-2018)
• Ford Mustang 4.6L (3 Valve) (2005-2010)
• Lincoln Mark LT 5.4L (3 Valve) (2006-2008)
• Lincoln Navigator 5.4L (3 Valve) (2005-2014)
• Mercury Mountaineer 4.6L (3 Valve) (2006-2010)