Transmission Side Cover Gasket made from Viton material designed for use with specific models.Fits 2008-2009 FXDF, 2010-2017 models except FXDLS, and 2007-2017 Softail models except FLSS, FLSTFBS, FXCW, FXCWC, FXSB and FXSE.Also compatible with 2007-2013 Touring models.Not suitable for models equipped with hydraulic clutch actuation. Specific fitment includes 2006 Street Bob EFI FXDBI, 2006 Super Custom EFI FXDCI, 2006 Super EFI FXDI, 2006 35th Anniversary Super FXDI35, 2006 Low Rider EFI FXDLI, 2006 Wide EFI FXDWGI, 2007-2010 Super FXD, 2007-2008 and 2010-2017 Street Bob FXDB, 2007-2014 Super Custom FXDC, 2007-2009 and 2014-2017 Low Rider FXDL, 2007-2008 and 2010-2017 Wide FXDWG, 2007-2017 Heritage Softail Classic FLSTC, 2007-2017 Fat Boy FLSTF, 2007-2017 Softail Deluxe FLSTN, 2007 Softail Springer Classic FLSTSC, 2007 Softail Standard FXST, 2007-2009 Night Train FXSTB, 2007-2010 Softail Custom FXSTC, 2007 Softail Deuce FXSTD, 2008 and 2009-2017 Fat Bob FXDF, 2008-2011 Softail Bones FLSTSB, 2010-2016 Fat Boy Lo FLSTFB, 2011-2013 Blackline FXS, 2012-2016 Switchback FLD, 2012-2017 Softail Slim FLS, 2007-2016 Road King FLHR, 2007-2013 Road King Classic FLHRC, 2007 Road King Custom FLHRS, 2007-2009 Electra Standard FLHT, 2007-2013 Electra Classic FLHTC, 2007-2013 Ultra Classic Electra FLHTCU, 2007-2013 Street FLHX, 2007-2009 Road FLTR, 2009-2013 Tri Ultra Classic FLHTCUTG, 2010-2013 Electra Ultra Limited FLHTK, 2010-2013 Road Custom FLTRX, 2010-2011 Street Trike FLHXXX, 2011-2013 Road Ultra FLTRU. The gasket provides a secure seal between the transmission side cover and engine block.Constructed from Viton for resistance to temperatures and exposure to engine fluids.Designed to maintain engine and transmission system integrity by preventing leaks.dimensions allow for direct replacement of worn or damaged gaskets.Suitable for riders and mechanics performing routine maintenance or repairs on compatible models. Compatibility Disclaimer: This is an aftermarket replacement part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.