Mr Gasket 2671NAPolished Aluminium Straight Water Neck / Thermostat HousingSpecification:Fits 1997-2009 GM LS Engines.Features:Centre water neck outlet, which allows for a number of radiator hose routing options.Radiator hose inlet size is 1.500 inches.The height from gasket surface to tip is 2.75 inches.Made from die-cast aluminium for strength and durability.Thick mounting flange prevents warping and provides a positive coolant seal.Polished finish for for an attractive, signature finish.Includes stainless steel Allen head mounting bolts.Ideal for Engine Swap Applications.Applications:Buick2008-2009 Allure2008-2009 LaCrosseCadillac2004-2007 CTSChevrolet1998-1998 Camaro2001-2009 Corvette2006-2009 Impala2006-2007 Monte Carlo2005-2006 SSR2006-2009 TrailblazerPontiac1998-2002 Firebird2009-2009 G82005-2008 Grand Prix2004-2006 GTO