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S&S Cycle 99-06 BT MR103C Chain Drive Camshaft Kit

S&S MR103C chain drive camshaft kit for 1999-'06 HD® Big Twins except '06 HD® Dyna® are recommended for modifed engines with larger displacement and higher compression. More torque and horsepower than bolt in cams can deliver. Stock valve springs in 2005-'06 engines may be used with MR103 and HP103 cams. An S&S oil pump and cam support plate, along with a stock 2007 and later style hydraulic cam chain tensioner upgrade is highly recommended for chain drive cams.
  • Performance intake and exhaust is recommended for maximum performance increase

Upgrade your Harley Davidson Dyna motorcycle with the S&S Cycle 99-06 BT MR103C Chain Drive Camshaft Kit, designed to deliver increased torque and horsepower compared to stock cams. This kit is ideal for modified engines with larger displacement and higher compression, providing optimal performance gains. The kit is compatible with a range of Harley Davidson FXDX and FXDXT models from 1999 to 2004, ensuring a precise fit for your motorcycle. For best results, pairing this camshaft kit with performance intake and exhaust systems is highly recommended to maximize power output and engine efficiency. The MR103C camshaft features a robust design that enhances engine breathing, resulting in improved acceleration and overall performance.

The installation of this kit involves the use of stock valve springs in 2005-'06 engines, with the potential for further performance tuning. To ensure reliable operation and longevity, an S&S oil pump and cam support plate are recommended, along with an upgraded hydraulic cam chain tensioner compatible with 2007 and later style chain drive systems. Proper installation and maintenance are essential for achieving the full benefits of this high-performance camshaft kit. Designed specifically for powersports applications, this kit does not meet CARB compliance but offers significant performance improvements for enthusiasts seeking to enhance their Harley Davidson Dyna's capabilities.

Constructed by S&S Cycle, a trusted name in powersports performance parts, this camshaft kit combines quality craftsmanship with precise engineering. Whether you're looking to improve your bike's acceleration, top-end power, or overall engine responsiveness, the MR103C camshaft kit is a reliable choice for serious riders who want to push their motorcycle's limits. Invest in this performance upgrade to experience a noticeable difference in your Harley Davidson's engine performance and riding experience.

Features:

  • Designed for 1999-2006 Harley Davidson Dyna models, including FXDX and FXDXT
  • Increases torque and horsepower over stock cams
  • Suitable for modified engines with larger displacement and higher compression
  • Compatible with stock valve springs in 2005-'06 engines
  • Requires installation of S&S oil pump and cam support plate for optimal performance
  • Includes a high-performance chain drive camshaft for enhanced engine breathing
  • Recommended pairing with performance intake and exhaust systems

Fitment:
Harley Davidson FLHR Road King Base 1999
Harley Davidson FLHR Road King Base 2000
Harley Davidson FLHR Road King Base 2001
Harley Davidson FLHR Road King Base 2002
Harley Davidson FLHR Road King Base 2003
Harley Davidson FLHR Road King Base 2004
Harley Davidson FLHR Road King Base 2005
Harley Davidson FLHR Road King Base 2006
Harley Davidson FLHRCI Road King Classic Base 1999
Harley Davidson FLHRCI Road King Classic Base 2000
Harley Davidson FLHRCI Road King Classic Base 2001
Harley Davidson FLHRCI Road King Classic Base 2002
Harley Davidson FLHRCI Road King Classic Base 2003
Harley Davidson FLHRCI Road King Classic Base 2004
Harley Davidson FLHRCI Road King Classic Base 2005
Harley Davidson FLHRCI Road King Classic Base 2006
Harley Davidson FLHRI Road King Base 2000
Harley Davidson FLHRI Road King Base 2001
Harley Davidson FLHRI Road King Base 2002
Harley Davidson FLHRI Road King Base 2003
Harley Davidson FLHRI Road King Base 2004
Harley Davidson FLHRI Road King Base 2005
Harley Davidson FLHRI Road King Base 2006
Harley Davidson FLHRS Road King Custom Base 2004
Harley Davidson FLHRS Road King Custom Base 2005
Harley Davidson FLHRS Road King Custom Base 2006
Harley Davidson FLHT Electra Glide Standard Base 1999
Harley Davidson FLHT Electra Glide Standard Base 2000
Harley Davidson FLHT Electra Glide Standard Base 2003
Harley Davidson FLHT Electra Glide Standard Base 2006
Harley Davidson FLHTC Electra Glide Classic Base 1999
Harley Davidson FLHTC Electra Glide Classic Base 2000
Harley Davidson FLHTC Electra Glide Classic Base 2001
Harley Davidson FLHTC Electra Glide Classic Base 2002
Harley Davidson FLHTC Electra Glide Classic Base 2003
Harley Davidson FLHTC Electra Glide Classic Base 2004
Harley Davidson FLHTC Electra Glide Classic Base 2005
Harley Davidson FLHTCI Electra Glide Classic Base 1999
Harley Davidson FLHTCI Electra Glide Classic Base 2000
Harley Davidson FLHTCI Electra Glide Classic Base 2001
Harley Davidson FLHTCI Electra Glide Classic Base 2002
Harley Davidson FLHTCI Electra Glide Classic Base 2003
Harley Davidson FLHTCI Electra Glide Classic Base 2004
Harley Davidson FLHTCI Electra Glide Classic Base 2005
Harley Davidson FLHTCI Electra Glide Classic Base 2006
Harley Davidson FLHTCUI Electra Glide Ultra Classic Base 1999
Harley Davidson FLHTCUI Electra Glide Ultra Classic Base 2000
Harley Davidson FLHTCUI Electra Glide Ultra Classic Base 2001
Harley Davidson FLHTCUI Electra Glide Ultra Classic Base 2002
Harley Davidson FLHTCUI Electra Glide Ultra Classic Base 2003
Harley Davidson FLHTCUI Electra Glide Ultra Classic Base 2004
Harley Davidson FLHTCUI Electra Glide Ultra Classic Base 2005
Harley Davidson FLHTCUI Electra Glide Ultra Classic Base 2006
Harley Davidson FLHX Street Glide Base 2006
Harley Davidson FLST Heritage Softail Base 2006
Harley Davidson FLSTC Heritage Softail Classic Base 1999
Harley Davidson FLSTC Heritage Softail Classic Base 2000
Harley Davidson FLSTC Heritage Softail Classic Base 2001
Harley Davidson FLSTC Heritage Softail Classic Base 2002
Harley Davidson FLSTC Heritage Softail Classic Base 2003
Harley Davidson FLSTC Heritage Softail Classic Base 2004
Harley Davidson FLSTC Heritage Softail Classic Base 2005
Harley Davidson FLSTC Heritage Softail Classic Base 2006
Harley Davidson FLSTCI Heritage Softail Classic Base 2001
Harley Davidson FLSTCI Heritage Softail Classic Base 2002
Harley Davidson FLSTCI Heritage Softail Classic Base 2003
Harley Davidson FLSTCI Heritage Softail Classic Base 2004
Harley Davidson FLSTCI Heritage Softail Classic Base 2005
Harley Davidson FLSTCI Heritage Softail Classic Base 2006
Harley Davidson FLSTF Fat Boy Base 1999
Harley Davidson FLSTF Fat Boy Base 2000
Harley Davidson FLSTF Fat Boy Base 2001
Harley Davidson FLSTF Fat Boy Base 2002
Harley Davidson FLSTF Fat Boy Base 2003
Harley Davidson FLSTF Fat Boy Base 2004
Harley Davidson FLSTF Fat Boy Base 2005
Harley Davidson FLSTF Fat Boy Base 2006
Harley Davidson FLSTFI Fat Boy Base 2001
Harley Davidson FLSTFI Fat Boy Base 2002
Harley Davidson FLSTFI Fat Boy Base 2003
Harley Davidson FLSTFI Fat Boy Base 2004
Harley Davidson FLSTFI Fat Boy Base 2005
Harley Davidson FLSTFI Fat Boy Base 2006
Harley Davidson FLTR Road Glide Base 1999
Harley Davidson FLTR Road Glide Base 2000
Harley Davidson FLTR Road Glide Base 2001
Harley Davidson FLTR Road Glide Base 2002
Harley Davidson FLTR Road Glide Base 2003
Harley Davidson FLTR Road Glide Base 2004
Harley Davidson FLTR Road Glide Base 2005
Harley Davidson FLTR Road Glide Base 2006
Harley Davidson FLTRI Road Glide Base 1999
Harley Davidson FLTRI Road Glide Base 2000
Harley Davidson FLTRI Road Glide Base 2001
Harley Davidson FLTRI Road Glide Base 2002
Harley Davidson FLTRI Road Glide Base 2003
Harley Davidson FLTRI Road Glide Base 2004
Harley Davidson FLTRI Road Glide Base 2005
Harley Davidson FLTRI Road Glide Base 2006
Harley Davidson FXD Dyna Super Glide Base 1999
Harley Davidson FXD Dyna Super Glide Base 2000
Harley Davidson FXD Dyna Super Glide Base 2001
Harley Davidson FXD Dyna Super Glide Base 2002
Harley Davidson FXD Dyna Super Glide Base 2003
Harley Davidson FXD Dyna Super Glide Base 2004
Harley Davidson FXD Dyna Super Glide Base 2005
Harley Davidson FXD Dyna Super Glide Base 2006
Harley Davidson FXDL Dyna Low Rider Base 1999
Harley Davidson FXDL Dyna Low Rider Base 2000
Harley Davidson FXDL Dyna Low Rider Base 2001
Harley Davidson FXDL Dyna Low Rider Base 2002
Harley Davidson FXDL Dyna Low Rider Base 2003
Harley Davidson FXDL Dyna Low Rider Base 2004
Harley Davidson FXDL Dyna Low Rider Base 2005
Harley Davidson FXDLI Dyna Low Rider Base 2004
Harley Davidson FXDLI Dyna Low Rider Base 2005
Harley Davidson FXDLI Dyna Low Rider Base 2006
Harley Davidson FXDWG Dyna Wide Glide Base 1999
Harley Davidson FXDWG Dyna Wide Glide Base 2000
Harley Davidson FXDWG Dyna Wide Glide Base 2001
Harley Davidson FXDWG Dyna Wide Glide Base 2002
Harley Davidson FXDWG Dyna Wide Glide Base 2003
Harley Davidson FXDWG Dyna Wide Glide Base 2004
Harley Davidson FXDWG Dyna Wide Glide Base 2005
Harley Davidson FXDWG Dyna Wide Glide Base 2006
Harley Davidson FXDWGI Dyna Wide Glide Base 2004
Harley Davidson FXDWGI Dyna Wide Glide Base 2005
Harley Davidson FXDWGI Dyna Wide Glide Base 2006
Harley Davidson FXDX Dyna Super Glide Sport Base 1999
Harley Davidson FXDX Dyna Super Glide Sport Base 2000
Harley Davidson FXDX Dyna Super Glide Sport Base 2001
Harley Davidson FXDX Dyna Super Glide Sport Base 2002
Harley Davidson FXDX Dyna Super Glide Sport Base 2003
Harley Davidson FXDX Dyna Super Glide Sport Base 2004
Harley Davidson FXDX Dyna Super Glide Sport Base 2005
Harley Davidson FXDXT Dyna Super Glide T-Sport Base 2001
Harley Davidson FXDXT Dyna Super Glide T-Sport Base 2002
Harley Davidson FXDXT Dyna Super Glide T-Sport Base 2003
Harley Davidson FXSTBI Night Train Base 2001
Harley Davidson FXSTBI Night Train Base 2002
Harley Davidson FXSTBI Night Train Base 2003
Harley Davidson FXSTBI Night Train Base 2004
Harley Davidson FXSTBI Night Train Base 2005
Harley Davidson FXSTBI Night Train Base 2006
Harley Davidson FXSTD Softail Deuce Base 2000
Harley Davidson FXSTD Softail Deuce Base 2001
Harley Davidson FXSTD Softail Deuce Base 2002
Harley Davidson FXSTD Softail Deuce Base 2003
Harley Davidson FXSTD Softail Deuce Base 2004
Harley Davidson FXSTD Softail Deuce Base 2005
Harley Davidson FXSTD Softail Deuce Base 2006
Harley Davidson FXSTDI Softail Deuce Base 2001
Harley Davidson FXSTDI Softail Deuce Base 2002
Harley Davidson FXSTDI Softail Deuce Base 2003
Harley Davidson FXSTDI Softail Deuce Base 2004
Harley Davidson FXSTDI Softail Deuce Base 2005
Harley Davidson FXSTDI Softail Deuce Base 2006
Harley Davidson FXSTDSE Screamin Eagle Softail Deuce Base 2003
Harley Davidson FXSTDSE Screamin Eagle Softail Deuce Base 2004
Harley Davidson FXSTI Softail Standard Base 2001
Harley Davidson FXSTI Softail Standard Base 2002
Harley Davidson FXSTI Softail Standard Base 2003
Harley Davidson FXSTI Softail Standard Base 2004
Harley Davidson FXSTI Softail Standard Base 2005
Harley Davidson FXSTI Softail Standard Base 2006
Harley Davidson FXSTS Springer Softail Base 1999
Harley Davidson FXSTS Springer Softail Base 2000
Harley Davidson FXSTS Springer Softail Base 2001
Harley Davidson FXSTS Springer Softail Base 2002
Harley Davidson FXSTS Springer Softail Base 2003
Harley Davidson FXSTS Springer Softail Base 2004
Harley Davidson FXSTS Springer Softail Base 2005
Harley Davidson FXSTS Springer Softail Base 2006
Harley Davidson FXSTSI Springer Softail Base 2001
Harley Davidson FXSTSI Springer Softail Base 2002
Harley Davidson FXSTSI Springer Softail Base 2003
Harley Davidson FXSTSI Springer Softail Base 2004
Harley Davidson FXSTSI Springer Softail Base 2005
Harley Davidson FXSTSI Springer Softail Base 2006