| 1980 |  Ford |  F-250 | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 1981 |  Ford |  F-250 | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 1982 |  Ford |  F-250 | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 1983 |  Ford |  F-250 | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 1984 |  Ford |  F-250 | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 1985 |  Ford |  F-250 | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 1986 |  Ford |  F-250 | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 1987 |  Ford |  F-250 | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 1988 |  Ford |  F-250 | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 1989 |  Ford |  F-250 | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 1990 |  Ford |  F-250 | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 1991 |  Ford |  F-250 | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 1992 |  Ford |  F-250 | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 1993 |  Ford |  F-250 | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 1994 |  Ford |  F-250 | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 1995 |  Ford |  F-250 | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 1996 |  Ford |  F-250 | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 1997 |  Ford |  F-250 | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 1998 |  Ford |  F-250 | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 1999 |  Ford |  F-250 | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 1999 |  Ford |  F-250 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 2000 |  Ford |  F-250 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 2001 |  Ford |  F-250 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 2002 |  Ford |  F-250 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 2003 |  Ford |  F-250 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 2004 |  Ford |  F-250 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 2005 |  Ford |  F-250 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 2006 |  Ford |  F-250 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 2007 |  Ford |  F-250 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 2011 |  Ford |  F-250 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 2012 |  Ford |  F-250 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 2013 |  Ford |  F-250 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 2014 |  Ford |  F-250 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 2015 |  Ford |  F-250 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 2016 |  Ford |  F-250 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 1996 |  Chevrolet |  Express 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 1997 |  Chevrolet |  Express 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 1998 |  Chevrolet |  Express 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 1999 |  Chevrolet |  Express 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2000 |  Chevrolet |  Express 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2001 |  Chevrolet |  Express 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2002 |  Chevrolet |  Express 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2003 |  Chevrolet |  Express 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2004 |  Chevrolet |  Express 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2005 |  Chevrolet |  Express 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2006 |  Chevrolet |  Express 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2007 |  Chevrolet |  Express 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2008 |  Chevrolet |  Express 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2009 |  Chevrolet |  Express 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2010 |  Chevrolet |  Express 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2011 |  Chevrolet |  Express 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2012 |  Chevrolet |  Express 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2013 |  Chevrolet |  Express 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2014 |  Chevrolet |  Express 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2015 |  Chevrolet |  Express 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2016 |  Chevrolet |  Express 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 1996 |  GMC |  Savana 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 1997 |  GMC |  Savana 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 1998 |  GMC |  Savana 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 1999 |  GMC |  Savana 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2000 |  GMC |  Savana 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2001 |  GMC |  Savana 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2002 |  GMC |  Savana 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2003 |  GMC |  Savana 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2004 |  GMC |  Savana 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2005 |  GMC |  Savana 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2006 |  GMC |  Savana 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2007 |  GMC |  Savana 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2008 |  GMC |  Savana 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2009 |  GMC |  Savana 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2010 |  GMC |  Savana 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2011 |  GMC |  Savana 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2012 |  GMC |  Savana 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2013 |  GMC |  Savana 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2014 |  GMC |  Savana 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2015 |  GMC |  Savana 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2016 |  GMC |  Savana 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 1998 |  Ford |  F-350 | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 1983 |  Ford |  F-350 | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 1984 |  Ford |  F-350 | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 1985 |  Ford |  F-350 | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 1986 |  Ford |  F-350 | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 1997 |  Ford |  F-350 | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 1980 |  Ford |  F-350 | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 1981 |  Ford |  F-350 | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 1982 |  Ford |  F-350 | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 1987 |  Ford |  F-350 | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 1988 |  Ford |  F-350 | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 1989 |  Ford |  F-350 | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 1990 |  Ford |  F-350 | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 1991 |  Ford |  F-350 | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 1992 |  Ford |  F-350 | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 1995 |  Ford |  F-350 | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 1996 |  Ford |  F-350 | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 1993 |  Ford |  F-350 | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 1994 |  Ford |  F-350 | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 2016 |  Ford |  F-350 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 2015 |  Ford |  F-350 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 2014 |  Ford |  F-350 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 2012 |  Ford |  F-350 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 2013 |  Ford |  F-350 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 1999 |  Ford |  F-350 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 2000 |  Ford |  F-350 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 2001 |  Ford |  F-350 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 2002 |  Ford |  F-350 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 2003 |  Ford |  F-350 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 2011 |  Ford |  F-350 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 2006 |  Ford |  F-350 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 2007 |  Ford |  F-350 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 2005 |  Ford |  F-350 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 2004 |  Ford |  F-350 Super Duty | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Do not use on trucks equipped with a top overload spring. | 
| 2018 |  Chevrolet |  Express 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2017 |  Chevrolet |  Express 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2018 |  GMC |  Savana 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2017 |  GMC |  Savana 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2019 |  Chevrolet |  Express 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2019 |  GMC |  Savana 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2020 |  Chevrolet |  Express 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2020 |  GMC |  Savana 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2021 |  Chevrolet |  Express 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2021 |  GMC |  Savana 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2022 |  Chevrolet |  Express 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2022 |  GMC |  Savana 3500 | Fits 2 Wheel Drive | For cutaway models only; Do not use on van models. | 
| 2023 |  Chevrolet |  Express 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. | 
| 2023 |  GMC |  Savana 3500 | Fits 2 Wheel Drive | For cutaway models only. Do not use on van models. |