Andrews Products - Gear-Driven 21HG/G Grind Cam

Gear-Driven 21HG/G Grind Cam

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Andrews Products Gear-Driven 21HG/G Grind Cam

Andrews Products grinds its cams with the help of a computer with cam design capabilities. This superior technology gives the utmost in both performance and reliability. Only the best alloy steel billets and heat-treating processes are utilized. Furthermore, the power in Harley’s Twin Cam engine can be made even more convincing when superior Andrews computer-designed high-performance cams are installed.
  • Bolt-in cam for more torque with stock compression
  • Run best with low-restriction exhausts (1700-5200 rpm)
  • Similar to the EV-23 cam
  • Cams work well with fuel injection or carburetor models
  • Can be used with stock valve springs and tappets
  • Works well with carbs or fuel injection
Intake:
Open: 10 degrees
Close: 30 degrees
Duration at .053: 220 degrees
Duration at .020 valve lift: .255 degrees
Valve lift: .498
Lift at TDC: .138

Exhaust:
Open: 40 degrees
Close: 08 degrees
Duration at .053: 228 degrees
Duration at .020 valve lift: .264
Valve lift: .498
Lift at TDC: .120


**Note:
  • All Andrews gear-driven cams require four-gear set for installation
  • Installer must check coil bind, valve-to-valve clearance and valve-to-piston clearance
  • 59G, 60G and 64G cams are for highly tuned engines and require the knowledge of an expert engine builder for proper setup and installation
  • Item # 29385
  • SKU #
  • Mfr. Part #

FitmentView All

Harley-Davidson Models

  • Dyna Convertible - FXDS Conv : 1999–2000
  • Dyna Fat Bob - FXDF : 2008–2014
  • Dyna FLD Switchback : 2012, 2014
  • Dyna Low Rider - FXDL : 1999–2009
  • Dyna Low Rider - FXDLI : 2004–2006
  • Dyna Street Bob - FXDB : 2006–2015
  • Dyna Super Glide - FXD : 1999–2010
  • Dyna Super Glide - FXDI : 2004–2005
  • Dyna Super Glide Custom - FXDC : 2005–2014
  • Dyna Super Glide Sport - FXDX : 1999–2005
  • Dyna Wide Glide - FXDWG : 1999–2008, 2010–2014
  • Dyna Wide Glide - FXDWGI : 2004–2006
  • Dyna Wide Glide Anniversary - FXDWG : 2008
  • Electra Glide - FLHT : 1999–2010
  • Electra Glide - FLHTI : 2003–2005
  • Electra Glide Classic - FLHTC : 1999–2004, 2007–2013
  • Electra Glide Classic - FLHTCI : 1999–2006
  • Electra Glide Ultra Classic - FLHTCU : 2007–2012, 2014
  • Electra Glide Ultra Classic - FLHTCUI : 1999–2006
  • Electra Glide Ultra Limited - FLHTK : 2010–2014
  • Fat Boy - FLSTF : 1999–2012, 2014
  • Fat Boy - FLSTFI : 2001–2006
  • Fat Boy Anniversary - FLSTF : 2005
  • Fat Boy Lo - FLSTFB : 2010–2014
  • Heritage Softail - FLST : 2006, 2010
  • Heritage Softail Classic - FLSTC : 1999–2014
  • Heritage Softail Classic - FLSTCI : 2002–2006
  • Heritage Softail Springer - FLSTS : 1999–2003
  • Heritage Softail Springer Classic - FLSTSC : 2005–2007
  • Heritage Softail Springer Classic - FLSTSCI : 2005–2006
  • Night Train - FXSTB : 1999–2009
  • Night Train - FXSTBI : 2001–2003, 2005–2006
  • Road Glide - FLTR : 1999–2002, 2007–2010
  • Road Glide - FLTRI : 1999–2006
  • Road Glide Custom - FLTRX : 2010–2013
  • Road Glide Ultra - FLTRU : 2011–2013
  • Road King - FLHR : 1999–2014
  • Road King - FLHRI : 2000–2005
  • Road King Classic - FLHRC : 2007–2013
  • Road King Classic - FLHRCI : 1999–2006, 2009
  • Road King Custom - FLHRS : 2004–2007, 2010
  • Road King Custom - FLHRSI : 2004–2005
  • Screamin' Eagle Dyna - FXDSE : 2007
  • Screamin' Eagle Electra Glide - FLHTCSE : 2004
  • Screamin' Eagle Electra Glide - FLHTCSE2 : 2005
  • Screamin' Eagle Fat Boy - FLSTFSE : 2005
  • Screamin' Eagle Fat Boy - FLSTFSE2 : 2006
  • Screamin' Eagle Road Glide - FLTRSEI : 2000
  • Screamin' Eagle Road Glide - FLTRSEI2 : 2001
  • Screamin' Eagle Road King - FLHRSE3 : 2007
  • Screamin' Eagle Road King - FLHRSEI : 2002
  • Screamin' Eagle Road King 2 - FLHRSEI2 : 2003
  • Screamin' Eagle Softail Deuce - FXSTDSE : 2003
  • Screamin' Eagle Softail Deuce - FXSTDSE2 : 2004
  • Screamin' Eagle Softail Springer - FXSTSSE : 2007
  • Screamin’ Eagle Fat Boy : 2005
  • Softail - FXST : 1999–2007, 2010
  • Softail - FXSTI : 2001–2006
  • Softail Breakout : 2014
  • Softail Cross Bones - FLSTSB : 2008–2009
  • Softail Custom - FXSTC : 1999, 2004–2010
  • Softail Deluxe - FLSTN : 2005–2012, 2014
  • Softail Deluxe - FLSTNI : 2005–2006
  • Softail Deuce - FXSTD : 2000–2007
  • Softail Deuce - FXSTDI : 2001–2006
  • Softail Rocker - FXCW : 2008–2010
  • Softail Rocker - FXCWC : 2008–2010
  • Softail Slim - FLS : 2013–2014
  • Springer Softail - FXSTS : 1999–2006
  • Springer Softail - FXSTSI : 2001–2002, 2004–2006
  • Street Glide - FLHX : 2006–2015
  • Street Glide - FLHXI : 2006
  • Street Glide Special : 2014–2015
  • Super Glide - FXR : 1999–2000
  • Super Glide T-Sport - FXDXT : 2001–2003
  • Tri Glide Ultra Classic - FLHTCUTG : 2012, 2014

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