Cometic GM LS1 SB 4.190in Bore .092in MLS Head GasketThe HP shim technology increases clampload around the combustion chamber, thereby increasing the sealability of the head gasket around the open deck block. This Part Fits: Year Make Model Submodel 2008 2009 Buick LaCrosse Super 2004 2007 Buick Rainier CXL 2004 2005 Buick Rainier CXL Plus 2004 2007 Cadillac CTS V 2002 2005 Cadillac Escalade Base 2003 2005 Cadillac Escalade ESV Base 2002 2005 Cadillac Escalade EXT Base 2013 Chevrolet Avalanche Black