Features: 1.OE Number: The referencing OE number of this cam chain tensioner kit are 39954 99A, 39964 99A, 39965 99A, 25244 99A, 820?51400, 820?51401. 2.Fitment: The chain tensioner complete kit is a replacement for Twin Cam 1999 to 2006, molded and designed depend on the original data. 3.Improved Engine Performance: Helps prevent timing chain slippage, reducing the risk of engine damage and enhancing overall performance. 4.Complete Kit: The kit includes both the inner and outer cam chain tensioners, guide and gasket, providing a comprehensive solution for maintaining proper tension. 5.Easy Installation: Easy to install, no modification, cutting, or drilling required. It adopts original standard, which is a perfect replacement and can perfectly match. Specification: Item Type: Cam Chain Tensioner Kit OE Number: 39954 99A, 39964 99A, 39965 99A, 25244 99A, 820?51400, 820?51401 Material: Metal Fitment: Fits for Twin Cam Models 1999-2006(for FLHT, FLTR, FLHR, FLHX). Fits for Defender FXDP : 2004 Fits for Convertible FXDS CONV : 1999C2000 Fits for EFI FXDLI : 2004C2006 Fits for FXDL : 1999C2005 Fits for EFI FXDBI : 2006 Fits for 35th Anniversary EFI FXDI35 : 2006 Fits for Custom EFI FXDCI : 2005C2006 Fits for Custom FXDC : 2005 Fits for EFI FXDI : 2004C2006 Fits for FXD : 1999C2005 Fits for Sport EFI FXDXI : 2004C2005 Fits for Sport FXDX : 2000C2005 Fits for T Sport FXDXT : 2001C2003 Fits for CVO FXDWG3 : 2002 Fits for EFI FXDWGI : 2004C2006 Fits for FXDWG : 1999C2005 Fits for Deluxe EFI FLSTNI : 2005C2006 Fits for Deluxe FLSTN : 2006 Fits for Deuce CVO FXSTDSE2 : 2004 Fits for Deuce EFI FXSTDI : 2001C2006 Fits for Deuce FXSTD : 2000C2006 Fits for CVO FLSTFSE : 2005 Fits for EFI FLSTFI : 2001C2006 Fits for FLSTF : 2000C2006 Fits for Heritage Classic EFI FLSTCI : 2001C2006 Fits for Heritage Classic FLSTC : 2000C2006 Fits for Heritage EFI FLSTI : 2006 Fits for Heritage FLST : 2005C2006 Fits for Heritage Classic EFI FLSTSCI : 2005 Fits for Heritage Classic FLSTSC : 2005 Fits for Heritage EFI FLSTSI : 2001C2003 Fits for Heritage FLSTS : 2000C2003 Fits for EFI FXSTBI : 2001C2006 Fits for FXSTB : 2000C2006 Fits for Classic EFI FLSTSCI : 2006 Fits for Classic FLSTSC : 2006 Fits for EFI FXSTSI : 2001C2006 Fits for FXSTS : 2000C2006 Fits for Standard EFI FXSTI : 2001C2006 Fits for Standard FXST : 2000C2006 Fits for Touring Classic EFI FLHTCI : 1999C2006 Fits for Touring Classic FLHTC : 1999C2005 Fits for Touring Police EFI FLHTPEI : 2006 Fits for Touring Police EFI FLHTPI : 2004C2006 Fits for Touring Standard EFI FLHTI : 2003C2006 Fits for Touring Standard FLHT : 1999C2003, 2005C2006 Fits for Touring EFI FLHTCUI : 1999C2006 Fits for Touring FLHTCU : 2005 Fits for Touring EFI FLTRI : 1999C2006 Fits for Touring FLTR : 1999C2001 Fits for Touring Classic EFI FLHRCI : 1999C2006 Fits for Touring Custom EFI FLHRSI : 2004C2006 Fits for Touring Custom FLHRS : 2004C2007 Fits for Touring FLHR : 1999C2005 Fits for Touring Police CA EFI FLHPEI : 2005 Fits for Touring Police EFI FLHPI : 2005C2006 Fits for Touring EFI FLHXI : 2006 Fits for Touring FLHX : 2006 Package List: 2 x Camshaft TimingChainTensioner 1 x Gasket 1 xGuide