Fueling 4050STRace Series® Hydraulic Lifters Twin Cam

  • Full-travel hydraulic lifters made from machined steel
  • Exceed the needs of large-lift camshafts and higher spring pressures with a slower bleed-down rate
  • Maintain proper and critical oil flow to valves, springs, rockers, shafts and valve guides
  • Increase engine RPM and valvetrain stability; decreases valve float for maximum valve lift
  • Recommended for both strip and performance street engines
  • Made in the U.S.A.
  • High-volume oil pump recommended.
  • Recommended for engines running higher than 185 lb. valve spring seat pressure.
2018-2020 Harley-Davidson Iron 1200 XLNS - -
2018-2019 Harley-Davidson Sportster Forty-Eight Special XLXS - -
2016-2020 Harley-Davidson 1200 Roadster XLCX - -
2016-2017 Harley-Davidson Fat Boy S FLSTFBS - -
2016-2017 Harley-Davidson Softail Slim S FLSS - -
2016-2017 Harley-Davidson CVO Pro Street Breakout FXSE - -
2016-2017 Harley-Davidson Low Rider S FXDLS - -
2016-2017 Harley-Davidson Breakout FXSB - -
2016 Harley-Davidson Road Glide Ultra FLTRU - -
2015-2016 Harley-Davidson Electra Glide Ultra Limited Low FLHTKL - -
2015-2016 Harley-Davidson Road Glide Special FLTRXS - -
2015-2016 Harley-Davidson Road Glide Custom FLTRX - -
2015-2016 Harley-Davidson CVO Street Glide FLHXSE - -
2015-2016 Harley-Davidson CVO Road Glide Ultra FLTRUSE - -
2014-2017 Harley-Davidson SuperLow 1200 XLT - -
2014-2016 Harley-Davidson Electra Glide Ultra Classic Low FLHTCUL - -
2014-2016 Harley-Davidson Street Glide Special FLHXS - -
2014-2016 Harley-Davidson CVO Electra Glide Ultra Limited FLHTKSE - -
2014-2016 Harley-Davidson Street Glide EFI FLHX - -
2014-2015 Harley-Davidson CVO Softail Deluxe FLSTNSE - -
2014-2015 Buell 1190 RX - -
2014-2015 Buell 1190 SX - -
2014 Harley-Davidson CVO Road King FLHRSE - -
2013-2015 Harley-Davidson Breakout FXSB - -
2013-2014 Harley-Davidson CVO Breakout FXSBSE - -
2013 Harley-Davidson CVO Road Glide Custom FLTRXSE2 - -
2013 Harley-Davidson CVO Road King FLHRSE5 - -
2013 Harley-Davidson CVO Electra Glide Ultra Classic FLHTCUSE8 - -
2012-2017 Harley-Davidson Softail Slim FLS - -
2012-2017 Harley-Davidson Wide Glide EFI FXDWGI - -
2012-2017 Harley-Davidson Softail Deluxe EFI FLSTNI - -
2012-2017 Harley-Davidson Softail Fat Boy EFI FLSTFI - -
2012-2017 Harley-Davidson Softail Heritage Classic EFI FLSTCI - -
2012-2016 Harley-Davidson Sportster Seventy-Two XLV - -
2012-2016 Harley-Davidson Switchback FLD - -
2012-2016 Harley-Davidson Fat Boy Lo FLSTFB - -
2012-2013 Harley-Davidson Blackline FXS - -
2012 Harley-Davidson CVO Softail Convertible FLSTSE3 - -
2012 Harley-Davidson CVO Electra Glide Ultra Classic FLHTCUSE7 - -
2012 Harley-Davidson CVO Road Glide Custom FLTRXSE - -
2012 Harley-Davidson CVO Street Glide FLHXSE3 - -
2011-2019 Harley-Davidson 883 SuperLow XLL - -
2011-2019 Harley-Davidson 1200 Custom EFI XLC - -
2011-2013 Harley-Davidson Road Glide Ultra FLTRU - -
2011 Harley-Davidson CVO Road Glide Ultra FLTRUSE - -
2011 Harley-Davidson CVO Street Glide FLHXSE2 - -
2011 Harley-Davidson Blackline FXS - -
2011 Harley-Davidson CVO Electra Glide Ultra Classic FLHTCUSE6 - -
2011 Harley-Davidson CVO Softail Convertible FLSTSE2 - -
2010-2020 Harley-Davidson Sportster Forty-Eight XLX - -
2010-2016 Harley-Davidson Electra Glide Ultra Limited FLHTK - -
2010-2013 Harley-Davidson Road Glide Custom FLTRX - -
2010-2013 Harley-Davidson Road King Classic EFI FLHRC - -
2010-2013 Harley-Davidson Street Glide EFI FLHX - -
2010-2013 Harley-Davidson Road King Classic FLHRC - -
2010-2011 Harley-Davidson Wide Glide EFI FXDWGI - -
2010 Harley-Davidson CVO Street Glide FLHXSE - -
2010 Harley-Davidson CVO Electra Glide Ultra Classic FLHTCUSE5 - -
2010 Harley-Davidson CVO Fat Bob FXDFSE2 - -
2010 Harley-Davidson CVO Softail Convertible FLSTSE - -
2009-2020 Harley-Davidson Iron 883 XLN - -
2009-2016 Harley-Davidson Road King EFI FLHR - -
2009-2016 Harley-Davidson Electra Glide Ultra Classic EFI FLHTCUI - -
2009-2016 Harley-Davidson Electra Glide Police FLHTPI - -
2009-2013 Harley-Davidson Electra Glide Classic EFI FLHTCI - -
2009-2012 Harley-Davidson Sportster 1200 XR - -
2009-2012 Harley-Davidson Sportster 1200 X XR - -
2009-2011, 2017 Harley-Davidson Fat Boy Lo FLSTFB - -
2009-2010 Buell 1125 CR - -
2009 Harley-Davidson CVO Softail Springer FXSTSSE3 - -
2009 Harley-Davidson CVO Electra Glide Ultra Classic FLHTCUSE4 - -
2009 Harley-Davidson Road King Classic FLHRC - -
2009 Harley-Davidson Road King Classic EFI FLHRC - -
2009 Harley-Davidson Road Glide EFI FLTR - -
2009 Harley-Davidson CVO Fat Bob FXDFSE - -
2009 Harley-Davidson CVO Road Glide FLTRSE3 - -
2009 Harley-Davidson Street Glide EFI FLHX - -
2009 Harley-Davidson Electra Glide Standard EFI FLHTI - -
2008-2017 Harley-Davidson Fat Bob FXDF - -
2008-2017 Harley-Davidson Street Bob FXDB - -
2008-2014 Harley-Davidson Super Glide Custom EFI FXDCI - -
2008-2011 Harley-Davidson Softail Cross Bones FLSTSB - -
2008-2010 Harley-Davidson Super Glide EFI FXDI - -
2008-2010 Buell 1125 R - -
2008-2010 Buell XB12XT Ulysses - -
2008-2009, 2014-2017 Harley-Davidson Low Rider EFI FXDL - -
2008 Harley-Davidson Screamin' Eagle Softail Springer FXSTSSE2 - -
2008 Harley-Davidson Screamin' Eagle Road King FLHRSE4 - -
2008 Harley-Davidson Screamin' Eagle Electra Glide Ultra Classic FLHTCUSE3 - -
2008 Harley-Davidson Screamin' Eagle Dyna FXDSE2 - -
2008 Harley-Davidson Wide Glide EFI FXDWGI - -
2007-2012 Harley-Davidson 1200 Nightster XLN - -
2007-2012 Harley-Davidson Softail Standard EFI FXSTI - -
2007-2011 Harley-Davidson Softail Rocker C FXCWC - -
2007-2011 Harley-Davidson Softail Fat Boy EFI FLSTFI - -
2007-2011 Harley-Davidson Softail Deluxe EFI FLSTNI - -
2007-2011 Harley-Davidson Softail Heritage Classic EFI FLSTCI - -
2007-2011 Harley-Davidson 1200 Low EFI XLL - -
2007-2010 Harley-Davidson Softail Rocker FXCW - -
2007-2010 Harley-Davidson Softail Custom EFI FXSTC - -
2007-2010 Harley-Davidson 1200 Custom EFI XLC - -
2007-2010 Harley-Davidson 883 Low EFI XLL - -
2007-2009 Harley-Davidson 883 EFI XL - -
2007-2009 Harley-Davidson Softail Night Train EFI FXSTBI - -
2007-2009 Harley-Davidson 883 Custom EFI XLC - -
2007-2008 Buell XB12STT Lightning Super TT - -
2007-2008 Harley-Davidson Road King Classic EFI FLHRC - -
2007-2008 Harley-Davidson Road Glide EFI FLTR - -
2007-2008 Harley-Davidson Street Glide EFI FLHX - -
2007-2008 Harley-Davidson Electra Glide Standard EFI FLHTI - -
2007-2008 Harley-Davidson Road King EFI FLHR - -
2007-2008 Harley-Davidson 1200 Roadster EFI XLR - -
2007-2008 Harley-Davidson Electra Glide Classic EFI FLHTCI - -
2007 Harley-Davidson Screamin' Eagle Softail Springer FXSTSSE - -
2007 Harley-Davidson Screamin' Eagle Electra Glide Ultra Classic FLHTCUSE2 - -
2007 Harley-Davidson Screamin' Eagle Dyna FXDSE - -
2007 Harley-Davidson Screamin' Eagle Road King FLHRSE3 - -
2007 Harley-Davidson Road King Custom EFI FLHRS - -
2007 Harley-Davidson Super Glide EFI FXDI - -
2007 Harley-Davidson Softail Deuce EFI FXSTDI - -
2007 Harley-Davidson Low Rider EFI FXDL - -
2007 Harley-Davidson 883 Roadster EFI XLR - -
2007 Harley-Davidson Super Glide Custom EFI FXDCI - -
2007 Harley-Davidson Wide Glide EFI FXDWGI - -
2007 Harley-Davidson Street Bob FXDB - -
2007 Harley-Davidson Sportster 1200 XL 50 - -
2006-2010 Buell XB12X Ulysses - -
2006-2010 Buell XB12Ss Lightning Long - -
2006 Harley-Davidson Screamin' Eagle Fat Boy FLSTFSE2 - -
2006 Harley-Davidson 1200 Low XLL - -
2006 Harley-Davidson Street Bob FXDB - -
2006 Harley-Davidson 1200 Low EFI XLL - -
2006 Harley-Davidson 883 Low EFI XLL - -
2006 Harley-Davidson 1200 Roadster EFI XLR - -
2006 Harley-Davidson Street Glide EFI FLHX - -
2006 Harley-Davidson Softail Heritage EFI FLSTI - -
2006 Harley-Davidson Softail Night Train EFI FXSTBI - -
2006 Harley-Davidson Softail Standard FXST - -
2006 Harley-Davidson Softail Night Train FXSTB - -
2006 Harley-Davidson Softail Standard EFI FXSTI - -
2006 Harley-Davidson Low Rider EFI FXDL - -
2006 Harley-Davidson 883 Roadster EFI XLR - -
2006 Harley-Davidson Super Glide FXD35 - -
2006 Harley-Davidson Street Glide FLHX - -
2006 Harley-Davidson Screamin' Eagle Electra Glide Ultra Classic FLHTCUSE - -
2006 Harley-Davidson Wide Glide FXDWG - -
2006 Harley-Davidson Super Glide FXD - -
2006 Harley-Davidson Softail Springer EFI FXSTSI - -
2006 Harley-Davidson Low Rider FXDL - -
2006 Harley-Davidson Softail Springer FXSTS - -
2006 Harley-Davidson Super Glide EFI FXDI - -
2006 Harley-Davidson Softail Heritage FLST - -
2006 Harley-Davidson Wide Glide EFI FXDWGI - -
2006 Harley-Davidson Super Glide Custom EFI FXDCI - -
2005-2010 Buell XB12Scg Lightning Low - -
2005-2010 Buell XB9SX Lightning CityX - -
2005-2007 Harley-Davidson Softail Springer Classic EFI FLSTSCI - -
2005-2007 Harley-Davidson 883 Roadster XLR - -
2005-2006 Harley-Davidson Softail Springer Classic FLSTSC - -
2005-2006 Harley-Davidson 883 Low XLL - -
2005-2006 Harley-Davidson Softail Deluxe EFI FLSTNI - -
2005-2006 Harley-Davidson Softail Deluxe FLSTN - -
2005 Harley-Davidson Screamin' Eagle Fat Boy FLSTFSE - -
2005 Harley-Davidson Screamin' Eagle Electra Glide FLHTCSE2 - -
2005 Harley-Davidson Super Glide Custom EFI FXDCI - -
2005 Harley-Davidson 15th Anniversary Fat Boy FLSTF - -
2005 Harley-Davidson 883 Roadster EFI XLR - -
2005 Harley-Davidson Super Glide Custom FXDC - -
2004-2010 Buell XB12R Firebolt - -
2004-2008 Buell XB12S Lightning - -
2004-2008 Harley-Davidson Electra Glide Ultra Classic EFI FLHTCUI - -
2004-2008 Harley-Davidson Electra Glide Police FLHTPI - -
2004-2007 Buell XB9R Firebolt - -
2004-2006 Harley-Davidson Road King Custom EFI FLHRS - -
2004-2006 Harley-Davidson 883 XL - -
2004-2006 Harley-Davidson 1200 Roadster XLR - -
2004-2006 Harley-Davidson Road King Custom FLHRS - -
2004-2006 Harley-Davidson Electra Glide Standard FLHT - -
2004-2006 Harley-Davidson Road King Classic EFI FLHRC - -
2004-2006 Harley-Davidson Electra Glide Ultra Classic FLHTCU - -
2004-2006 Harley-Davidson Electra Glide Classic EFI FLHTCI - -
2004-2006 Harley-Davidson Electra Glide Classic FLHTC - -
2004-2006 Harley-Davidson Road Glide FLTR - -
2004-2006 Harley-Davidson Softail Heritage Classic FLSTC - -
2004-2006 Harley-Davidson Softail Fat Boy FLSTF - -
2004-2006 Harley-Davidson 1200 Custom XLC - -
2004-2006 Harley-Davidson 883 Custom XLC - -
2004-2006 Harley-Davidson Electra Glide Police FLHTP - -
2004-2006 Harley-Davidson Softail Fat Boy EFI FLSTFI - -
2004-2006 Harley-Davidson 883 Custom EFI XLC - -
2004-2006 Harley-Davidson 1200 Custom EFI XLC - -
2004-2006 Harley-Davidson Electra Glide Standard EFI FLHTI - -
2004-2006 Harley-Davidson Road Glide EFI FLTR - -
2004-2006 Harley-Davidson Softail Heritage Classic EFI FLSTCI - -
2004-2006 Harley-Davidson Road King EFI FLHR - -
2004-2005 Harley-Davidson Super Glide EFI FXDI - -
2004-2005 Harley-Davidson Low Rider EFI FXDL - -
2004-2005 Harley-Davidson Super Glide Sport EFI FXDXI - -
2004 Harley-Davidson Screamin' Eagle Deuce FXSTDSE2 - -
2004 Harley-Davidson Screamin' Eagle Electra Glide FLHTCSE - -
2003-2005 Harley-Davidson Softail Night Train EFI FXSTBI - -
2003-2005 Harley-Davidson Softail Springer FXSTS - -
2003-2005 Harley-Davidson Softail Night Train FXSTB - -
2003-2005 Harley-Davidson Softail Springer EFI FXSTSI - -
2003-2005 Harley-Davidson Softail Standard FXST - -
2003-2005 Harley-Davidson Softail Standard EFI FXSTI - -
2003-2004 Buell XB9S Lightning - -
2003 Harley-Davidson Screamin' Eagle Road King FLHRSE-I2 - -
2003 Harley-Davidson Softail Heritage Springer EFI FLSTSI - -
2003 Harley-Davidson Softail Heritage Springer FLSTS - -
2003 Buell XB9S Lightning Low - -
2003 Harley-Davidson Screamin' Eagle Deuce FXSTDSE - -
2002-2005 Harley-Davidson Low Rider FXDL - -
2002-2005 Harley-Davidson Wide Glide EFI FXDWGI - -
2002-2005 Harley-Davidson Wide Glide FXDWG - -
2002-2005 Harley-Davidson Super Glide FXD - -
2002-2003, 2011-2017 Harley-Davidson 1200 XLCP - -
2002-2003 Harley-Davidson 1200 Custom EFI XLC - -
2002-2003 Harley-Davidson 883 Roadster EFI XLR - -
2002-2003 Harley-Davidson 883 Roadster XLR - -
2002-2003 Harley-Davidson Softail Fat Boy EFI FLSTFI - -
2002-2003 Buell XB9R Firebolt - -
2002 Harley-Davidson Screamin' Eagle Road King FLHRSE-I - -
2002 Buell X1W White Lightning - -
2002 Harley-Davidson Wide Glide FXDWG3 - -
2001-2009 Buell Blast 500 - -
2001-2006 Harley-Davidson Softail Deuce EFI FXSTDI - -
2001-2003 Harley-Davidson Softail Heritage Classic EFI FLSTCI - -
2001-2003 Harley-Davidson Super Glide T-Sport FXDXT - -
2001-2002 Harley-Davidson Softail Standard EFI FXSTI - -
2001-2002 Harley-Davidson Softail Night Train EFI FXSTBI - -
2001-2002 Harley-Davidson Softail Heritage Springer EFI FLSTSI - -
2001-2002 Harley-Davidson Softail Springer EFI FXSTSI - -
2001-2002 Buell M2 Cyclone Low - -
2001 Harley-Davidson Wide Glide FXDWG2 - -
2001 Harley-Davidson Screamin' Eagle Road Glide FLTRSE-I2 - -
2001 Harley-Davidson Softail Fat Boy EFI FLSTFI - -
2000-2006 Harley-Davidson Softail Deuce FXSTD - -
2000-2003 Harley-Davidson 883 Custom XLC - -
2000-2003 Harley-Davidson 883 Custom EFI XLC - -
2000-2003 Buell X1 Lightning - -
2000-2003 Harley-Davidson 1200 Sport XLS - -
2000-2003 Harley-Davidson Electra Glide Standard EFI FLHTI - -
2000-2003 Harley-Davidson 883 Hugger XLH - -
2000-2003 Harley-Davidson Softail Heritage Classic FLSTC - -
2000-2003 Harley-Davidson Softail Fat Boy FLSTF - -
2000-2003 Harley-Davidson 1200 Custom XLC - -
2000-2003 Harley-Davidson Sportster 1200 XLH - -
2000-2003 Harley-Davidson Sportster 883 XLH - -
2000-2002 Harley-Davidson Softail Springer FXSTS - -
2000-2002 Harley-Davidson Softail Standard FXST - -
2000-2002 Harley-Davidson Softail Night Train FXSTB - -
2000-2002 Harley-Davidson Softail Heritage Springer FLSTS - -
2000-2002 Buell S3 Thunderbolt - -
2000-2002 Buell M2 Cyclone - -
2000-2002 Buell S3T Thunderbolt - -
2000-2001 Harley-Davidson Wide Glide EFI FXDWGI - -
2000 Harley-Davidson Screamin' Eagle Road Glide FLTRSE-I - -
2000 Buell Blast 500 - -
1999-2005 Harley-Davidson Super Glide Sport FXDX - -
1999-2003 Harley-Davidson Road Glide EFI FLTR - -
1999-2003 Harley-Davidson Electra Glide Classic FLHTC - -
1999-2003 Harley-Davidson Electra Glide Ultra Classic EFI FLHTCUI - -
1999-2003 Harley-Davidson Electra Glide Police FLHTP - -
1999-2003 Harley-Davidson Road King EFI FLHR - -
1999-2003 Harley-Davidson Electra Glide Standard FLHT - -
1999-2003 Harley-Davidson Electra Glide Police FLHTPI - -
1999-2003 Harley-Davidson Road Glide FLTR - -
1999-2003 Harley-Davidson Road King Classic EFI FLHRC - -
1999-2003 Harley-Davidson Electra Glide Ultra Classic FLHTCU - -
1999-2003 Harley-Davidson Electra Glide Classic EFI FLHTCI - -
1999-2001 Harley-Davidson Wide Glide FXDWG - -
1999-2001 Harley-Davidson Low Rider FXDL - -
1999-2001 Harley-Davidson Super Glide FXD - -
1999-2000 Harley-Davidson Dyna Convertible FXDS-CONV -

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