JSP compatible with:Buick LaCrosse/Allure Factory Style Rear Lip Spoiler 2010-2013 (OLYMPIC WHITE) 368053-WA8624 100% Brand New Reduce drag , improve fuel efficiency & vehicle stability . All necessary hardware (Pedestal Gaskets, Washers, Bolts & Locator Strips) and standard spoiler installation instructions are included Light weight ABS construction , sturdy & strong for long product life .