Fitment Guide:
2010-2012 Chevrolet Avalanche 5.3L 325 V8 FLEX FI
2002-2005 Chevrolet Avalanche 1500 5.3L 325 V8 use 9.5" Leads
2005 Chevrolet Avalanche 1500 5.3L 325 V8 FLEX OE use 9.5" Leads
2010-2011 Chevrolet Camaro 6.2L 376 V8
2009 Cadillac Escalade 6.2L 378 V8
2002-2005 Cadillac Escalade 5.3L 325 V8 use 9.5" Leads
2002-2005 Cadillac Escalade 6.0L 364 V8 use 9.5" Leads
2011 Cadillac Escalade 6.2L 376 V8 FLEX
2009 Cadillac Escalade ESV 6.2L 378 V8 use 9.5" Leads
2009-2011 Cadillac Escalade ESV 6.2L 376 V8 FLEX use 9.5" Leads
2011 Cadillac Escalade ESV 6.2L 376 V8 use 9.5" Leads
2003-2005 Cadillac Escalade ESV 6.0L 364 V8 use 9.5" Leads
2002-2003 Cadillac Escalade EXT 6.0L 364 V8 use 9.5" Leads
2010-2012 Chevrolet Express 2500 4.8L 294 V8 FLEX FI
2010-2012 Chevrolet Express 2500 6.0L 364 V8 FLEX FI
2011-2012 Chevrolet Express 2500 6.0L 364 V8 CNG FI
2009 Chevrolet Express 3500 6.0L 364 V8, FI
2009 Chevrolet Express 3500 4.8L 294 V8, FI
2011-2012 Chevrolet Express 3500 6.0L 364 V8 CNG FI
2010-2012 Chevrolet Express 3500 6.0L 364 V8 FLEX FI
2010-2012 Chevrolet Express 3500 4.8L 294 V8 FLEX FI
2003-2007 Hummer H2 6.0L 364 V8 use 9.5" Leads
2009-2012 GMC Sierra 1500 6.2L 376 V8 FLEX OE VIN: 2, FLEX, FI
2010-2012 GMC Sierra 1500 4.8L 294 V8 FLEX FI
1999-2009 GMC Sierra 1500 4.8L 294 V8 VIN: V; use 9.5" Leads
2004-2006 GMC Sierra 1500 6.0L 364 V8, FI; OE use 9.5" Leads
1999-2009 GMC Sierra 1500 5.3L 325 V8 VIN: T; use 9.5" Leads
2002-2012 GMC Sierra 1500 5.3L 325 V8 FLEX OE VIN: T; use 9.5" Leads
2000 GMC Sierra 2500 6.0L 364 V8 use 9.5" Leads
2000 GMC Sierra 2500 5.3L 325 V8 use 9.5" Leads
2013 GMC Sierra 2500 HD 6.0L 364 V8 FLEX FI
2002 GMC Sierra 2500 HD 6.0L 364 V8 BI-FUEL OE VIN: U; use 9.5" Leads
2002-2013 GMC Sierra 2500 HD 6.0L 364 V8 CNG OE VIN: U; use 9.5" Leads
2002-2013 GMC Sierra 2500 HD 6.0L 364 V8 VIN: U; use 9.5" Leads
2002-2013 Chevrolet Silverado 1500 5.3L 325 V8 FLEX OE VIN: T; use 9.5" Leads
2010-2013 Chevrolet Silverado 1500 4.8L 294 V8 FLEX FI
2006-2009 Chevrolet Silverado 1500 6.0L 364 V8 LT, VIN: N,, FI; OE use 9.5" Leads
1999-2009 Chevrolet Silverado 1500 4.8L 294 V8 VIN: V; use 9.5" Leads
2009-2013 Chevrolet Silverado 1500 6.2L 376 V8 FLEX FI
1999-2009 Chevrolet Silverado 1500 5.3L 325 V8 VIN: T; use 9.5" Leads
2007 Chevrolet Silverado 1500 Classic 4.8L 294 V8 LS, VIN: V,, FI; OE use 9.5" Leads
2007 Chevrolet Silverado 1500 Classic 5.3L 325 V8 WT, VIN: T,, FI; use 9.5" Leads
2007 Chevrolet Silverado 1500 Classic 5.3L 325 V8 FLEX OE WT, VIN: Z, FLEX, Engine: L59, FI; use 9.5" Leads
2001-2005 Chevrolet Silverado 1500 HD 6.0L 364 V8 use 9.5" Leads
2000-2004 Chevrolet Silverado 2500 6.0L 364 V8 use 9.5" Leads
2002 Chevrolet Silverado 2500 6.0L 364 V8 BI-FUEL OE VIN: U; use 9.5" Leads
2002 Chevrolet Silverado 2500 6.0L 364 V8 CNG OE VIN: U; use 9.5" Leads
2000 Chevrolet Silverado 2500 5.3L 325 V8 use 9.5" Leads
2001-2013 Chevrolet Silverado 2500 HD 6.0L 364 V8 VIN: U; use 9.5" Leads
2002-2013 Chevrolet Silverado 2500 HD 6.0L 364 V8 CNG OE VIN: U; use 9.5" Leads
2011-2013 Chevrolet Silverado 2500 HD 6.0L 364 V8 FLEX FI
2002 Chevrolet Silverado 2500 HD 6.0L 364 V8 BI-FUEL OE VIN: U; use 9.5" Leads
2007 Chevrolet Silverado 2500 HD Classic 6.0L 364 V8 WT, VIN: U,, FI; use 9.5" Leads
2001-2006 Chevrolet Silverado 3500 6.0L 364 V8 VIN: U; use 9.5" Leads
2003-2005 Chevrolet Silverado 3500 6.0L 364 V8 CNG OE VIN: U; use 9.5" Leads
2007 Chevrolet Silverado 3500 Classic 6.0L 364 V8 LT, VIN: U,, FI; OE use 9.5" Leads
2002-2013 Chevrolet Suburban 1500 5.3L 325 V8 FLEX OE use 9.5" Leads
2000-2013 Chevrolet Suburban 1500 5.3L 325 V8 use 9.5" Leads
2013 Chevrolet Suburban 1500 6.0L 364 V8, FI
2002-2013 Chevrolet Tahoe 5.3L 325 V8 FLEX OE use