This product will only fit on the following vehicles
2009 Workhorse Custom Chassis W22 8.1L
2007-2009 Workhorse R26 8.1L
2007-2009 Workhorse W21
2007-2008 Workhorse Custom Chassis R26
2007 Chevrolet Silverado 1500 Classic 5.3L/6.0L/4.8L With Square Coils
2007 Chevrolet Silverado 1500 HD Classic With Square Coils
2007 Chevrolet Silverado 2500 HD Classic 8.1L With Square Coils
2007 Chevrolet Silverado 3500 Classic 6.0L/8.1L With Square Coils
2007 Chevrolet Silverado 3500 HD 6.0L With Square Coils
2007 GMC Sierra 1500 Classic 6.0L With Square Coils
2007 GMC Sierra 1500 HD Classic With Square Coils
2007 GMC Sierra 2500 HD Classic 6.0L/8.1L With Square Coils
2007 GMC Sierra 3500 Classic With Square Coils
2007 GMC Sierra 3500 HD 6.0L With Square Coils
2007 Workhorse W62 With Square Coils
2006-2009 Workhorse W16
2006-2009 Workhorse W18
2006-2009 Workhorse Custom Chassis W18
2006-2007 Isuzu NPR-HD 6.0L
2006 Chevrolet Monte Carlo 5.3L With Square Coils
2005-2009 Workhorse W25
2005 Workhorse FasTrack FT1061 With Square Coils
2005 Workhorse FasTrack FT1261 4.8L With Square Coils
2004-2009 Workhorse W20
2004-2009 Workhorse W22
2004-2009 Workhorse W24
2004-2008 Workhorse Custom Chassis W22
2004-2005, 2007-2009 Workhorse Custom Chassis W24
2004-2005 Isuzu NPR 6.0L
2004-2005 Workhorse FasTrack FT1461 6.0L/4.8L With Square Coils
2004-2005 Workhorse FasTrack FT1601 4.8L With Square Coils
2004-2005 Workhorse FasTrack FT1801 6.0L With Square Coils
2004-2005 Workhorse P32
2004-2005 Workhorse Custom Chassis P32 8.1L
2004 Chevrolet Express 3500 With Square Coils
2004 GMC Envoy XUV 5.3L With Square Coils
2004 Workhorse FasTrack FT1061 4.8L With Square Coils
2003-2009 Chevrolet C4500 Kodiak
2003-2009 Chevrolet C5500 Kodiak 8.1L
2003-2009 GMC C4500 Topkick
2003-2009 GMC C5500 Topkick
2003-2009 GMC C6500 Topkick
2003-2009 GMC C7500 Topkick GAS engine
2003-2009 GMC C8500 Topkick 8.1L
2003-2007 Hummer H2 With Square Coils
2003-2006 Cadillac Escalade ESV With Square Coils
2003-2006 Chevrolet Express 1500 5.3L With Square Coils
2003-2006 Chevrolet Silverado 1500 5.3L/6.0L/4.8L With Square Coils
2003-2006 Chevrolet Silverado 2500 HD 6.0L/8.1L With Square Coils
2003-2006 Chevrolet Silverado 3500 6.0L/8.1L With Square Coils
2003-2006 Chevrolet Suburban 1500 With Square Coils
2003-2006 Chevrolet Suburban 2500 With Square Coils
2003-2006 GMC Sierra 2500 HD 6.0L/8.1L With Square Coils
2003-2006 GMC Sierra 3500 6.0L/8.1L With Square Coils
2003-2005 Chevrolet Express 2500 5.3L/6.0L/4.8L With Square Coils
2003-2005 GMC Savana 1500 5.3L With Square Coils
2003-2005 GMC Savana 2500 5.3L/6.0L/4.8L With Square Coils
2003-2005 GMC Savana 3500 With Square Coils
2003-2004 Chevrolet SSR With Square Coils
2003-2004 Chevrolet Trailblazer EXT 5.3L With Square Coils
2003-2004 GMC Envoy XL 5.3L With Square Coils
2003 Chevrolet Express 3500 6.0L With Square Coils
2002-2006 Cadillac Escalade With Square Coils
2002-2006 Cadillac Escalade EXT With Square Coils
2002-2006 Chevrolet Avalanche 1500 With Square Coils
2002-2006 Chevrolet Avalanche 2500 With Square Coils
2002 Chevrolet Suburban 2500 6.0L With Square Coils
2001-2009 Chevrolet C6500 Kodiak 8.1L
2001-2009 Chevrolet C7500 Kodiak 8.1L
2001-2006 Chevrolet Tahoe With Square Coils
2001-2006 GMC Sierra 1500 5.3L/6.0L/4.8L With Square Coils
2001-2006 GMC Yukon With Square Coils
2001-2003, 2005-2006 Chevrolet Silverado 1500 HD With Square Coils
2001-2003, 2005-2006 GMC Sierra 1500 HD With Square Coils
2001-2002, 2007 Chevrolet Silverado 2500 HD 6.0L With Square Coils
2001-2002, 2007 GMC Sierra 2500 HD 6.0L With Square Coils
2001-2002 Chevrolet Silverado 2500 5.3L With Square Coils
2001-2002 Chevrolet Silverado 3500 6.0L With Square Coils
2001-2002 GMC Sierra 3500 6.0L With Square Coils
2001-2002 GMC Yukon XL 2500 6.0L With Square Coils
2000-2006 GMC Yukon XL 1500 With Square Coils
2000-2002 Chevrolet Suburban 1500 5.3L With Square C