Cylinder head gasket set for motorcycle engines, designed to enhance sealing between cylinder head and cylinder block while compensating for relative flatness variations.proper engine by preventing air leakage after assembly of cylinder head and cylinder block.Damage to the cylinder head gasket may result in air leakage during engine , leading to failure in meeting compression ratio requirements and potential engine starting difficulties.Item Type: Motorcycle Cylinder Gasket OEM Code: 12251-MCT-D61 Package Content: Customizable based on selection Compatible Models: FJS600 Silver Wing 2001-2013 FJS600 Silver Wing ABS 2005-2007 FSC600 Silver Wing 2002-2010 FSC600 Silver Wing ABS 2003-2013