Compatible with: for Buick Allure 2005-2007 V6 3.6L, (24mm Bar; 15/16in Bar) 2008 V6 3.6L, 2005-2008 V6 3.8L, (24mm Bar; 15/16in Bar) 2009 V6 3.8L; for Century 1997-2005; for Lacrosse 2005-2007, 2008 V6 3.6L, 2008-2009 V6 3.8L; for Regal 1997-2004.
Compatible with: for Buick Allure 2005-2007 V6 3.6L, (24mm Bar; 15/16in Bar) 2008 V6 3.6L, 2005-2008 V6 3.8L, (24mm Bar; 15/16in Bar) 2009 V6 3.8L; for Century 1997-2005; for Lacrosse 2005-2007, 2008 V6 3.6L, 2008-2009 V6 3.8L; for Regal 1997-2004.