2008-2009 LaCrosse Super. 2008-2009 Allure Super. SURESTOP PRO-LINE SERIES BRAKE DISCS. Disc Finish Natural. 2008 Impala 50th Anniversary Edition. Disc Material Cast Iron. 2006-2009 Impala SS. 2006-2010 Impala (submodel: LS, LT, LTZ, Police).