Feuling 4055 Race Series Solid Lifters M8 & Twin Cam Harley Davidson
Feuling 4055 Race Series Solid Lifters M8 & Twin Cam Harley Davidson
Designed for engines with radical valve spring pressures and large lift camshafts
Optimize valve - train stability at high RPM, decrease valve float
Maintain maximum valve lift , Increase horsepower & torque output.
Made from hardened steel, CNC machined and precision ground with 0 .700 Diameter rollers
Maintaining proper and critical oil flow to top end with metered oiling
Utilizes standard pushrod seat height, Feuling recommends the use of #4070 Race Series adjustable pushrods or comparable heavy duty adjustable pushrods
Recommended for both strip and high performance street engines
For best results Feuling recommends the use of a high volume oil pump
Made in the U.S.A.
Part # 4055 Standard diameter (0.842 - 0.8425)
FITS:
Milwaukee Eight 17 - 25, T/C 99 - 17, XL And Buell 00 - 22
COUNTRY OF ORIGIN:
USA
Disclaimer: Qualified Manufacturer Declared Replacement Part means any aftermarket part intended to replace an original equipment emissions related part and which is functionally identical to the original equipment part in all respects which in any way affect emissions (including durability), or a consolidated part, that has been evaluated and declared by the manufacturer to meet this definition and carry this categorization and designation label. This manufacturer has declared in writing that it has documentation, based upon sound engineering judgment, indicating the replacement part does not reduce the effectiveness of any required emission control device and it does not cause the modified vehicle/engine/equipment to exceed applicable emissions standards for that make/model/year fitment(s) advertised.
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| 2025 | Harley-Davidson | Softail Fat Boy FLFB | - | - |
| 2025 | Harley-Davidson | Softail Low Rider S FXLRS | - | - |
| 2025 | Harley-Davidson | FLHXU Street Glide Ultra | - | - |
| 2025 | Harley-Davidson | Tri Glide Ultra Classic FLHTCUTG | - | - |
| 2025 | Harley-Davidson | Softail Low Rider ST FXLRST | - | - |
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| 2025 | Harley-Davidson | Softail Breakout FXBR | - | - |
| 2025 | Harley-Davidson | Road Glide Custom FLTRX | - | - |
| 2024-2025 | Harley-Davidson | Road Glide Police FLTRXP | - | - |
| 2024 | Harley-Davidson | FLI Hydra-Glide Revival | - | - |
| 2024 | Harley-Davidson | FLTRXSTSE CVO Road Glide ST | - | - |
| 2023-2025 | Harley-Davidson | FXBR Breakout 117 | - | - |
| 2023 | Harley-Davidson | FLHFB Electra Glide Highway King | - | - |
| 2022-2025 | Harley-Davidson | FXLRS Low Rider S 117 | - | - |
| 2022-2025 | Harley-Davidson | FXLRST Low Rider ST 117 | - | - |
| 2022-2023 | Harley-Davidson | FLTRKSE CVO Road Glide Limited | - | - |
| 2022-2023 | Harley-Davidson | FLHXST Street Glide ST | - | - |
| 2022-2023 | Harley-Davidson | FLTRXST Road Glide ST | - | - |
| 2022, 2025 | Harley-Davidson | Softail Street Bob FXBB | - | - |
| 2022 | Harley-Davidson | FXRST Low Rider El Diablo 117 | - | - |
| 2021-2024 | Harley-Davidson | FXBBS Street Bob 114 | - | - |
| 2021 | Harley-Davidson | FLH Electra Glide Revival | - | - |
| 2020-2024 | Harley-Davidson | FLTRK Road Glide Limited | - | - |
| 2020-2024 | Harley-Davidson | FXST Softail Standard 107 | - | - |
| 2020-2021 | Harley-Davidson | FXLRS Low Rider S 114 | - | - |
| 2019-2020 | Harley-Davidson | FXDRS FXDR 114 | - | - |
| 2018-2024 | Harley-Davidson | FLFBS Fat Boy 114 | - | - |
| 2018-2024 | Harley-Davidson | FLHCS Heritage Classic 114 | - | - |
| 2018-2021, 2023 | Harley-Davidson | FXFBS Fat Bob 114 | - | - |
| 2018-2021 | Harley-Davidson | FLSB Sport Glide 107 | - | - |
| 2018-2021 | Harley-Davidson | FLSL Softail Slim 107 | - | - |
| 2018-2021 | Harley-Davidson | XL1200NS Iron 1200 | - | - |
| 2018-2021 | Harley-Davidson | FLHC Heritage Classic 107 | - | - |
| 2018-2020 | Harley-Davidson | FLDE Deluxe 107 | - | - |
| 2018-2020 | Harley-Davidson | FXBRS Breakout 114 | - | - |
| 2018-2020 | Harley-Davidson | FXBB Street Bob 107 | - | - |
| 2018-2020 | Harley-Davidson | FXLR Low Rider 107 | - | - |
| 2018-2019 | Harley-Davidson | XL1200XS Forty-Eight Special | - | - |
| 2018-2019 | Harley-Davidson | FXBR Breakout 107 | - | - |
| 2018-2019 | Harley-Davidson | FLFB Fat Boy 107 | - | - |
| 2018-2019 | Harley-Davidson | FXFB Fat Bob 107 | - | - |
| 2017-2025 | Harley-Davidson | Road King Police FLHP | - | - |
| 2017-2025 | Harley-Davidson | FLHRXS Road King Special | - | - |
| 2016-2020 | Harley-Davidson | XL1200CX Roadster | - | - |
| 2016-2017 | Harley-Davidson | FXSE CVO Pro Street Breakout | - | - |
| 2016-2017 | Harley-Davidson | FLSS Softail Slim S | - | - |
| 2016-2017 | Harley-Davidson | FLSTFBS Fat Boy S | - | - |
| 2016-2017 | Harley-Davidson | FXDLS Low Rider S | - | - |
| 2015-2024 | Harley-Davidson | FLHTK Ultra Limited | - | - |
| 2015-2023 | Harley-Davidson | FLTRXS Road Glide Special | - | - |
| 2015-2019 | Harley-Davidson | FLHTKL Ultra Limited Low | - | - |
| 2015-2017, 2025 | Harley-Davidson | FLRT Freewheeler | - | - |
| 2015-2016 | Harley-Davidson | FLHTCUL Electra Glide Ultra Classic Low | - | - |
| 2015, 2017-2025 | Harley-Davidson | FLTRX Road Glide | - | - |
| 2014-2023 | Harley-Davidson | FLHXS Street Glide Special | - | - |
| 2014-2021 | Harley-Davidson | FLHTKSE CVO Limited | - | - |
| 2014-2017 | Harley-Davidson | XL1200T SuperLow 1200T | - | - |
| 2014-2015 | Harley-Davidson | FLSTNSE CVO Softail Deluxe | - | - |
| 2014 | Harley-Davidson | CVO Road King FLHRSE | - | - |
| 2014 | Harley-Davidson | Electra Glide Ultra Classic Low FLHTCUL | - | - |
| 2013-2017 | Harley-Davidson | FXSB Breakout | - | - |
| 2013-2014 | Harley-Davidson | FXSBSE CVO Breakout | - | - |
| 2013 | Harley-Davidson | FLHRSE5 CVO Road King | - | - |
| 2013 | Harley-Davidson | FLTRXSE2 CVO Road Glide Custom | - | - |
| 2013 | Harley-Davidson | FLHTCUSE8 CVO Ultra Classic Electra Glide | - | - |
| 2012-2017 | Harley-Davidson | FLS Softail Slim | - | - |
| 2012-2016 | Harley-Davidson | XL1200V Seventy-Two | - | - |
| 2012-2016 | Harley-Davidson | FLD Switchback | - | - |
| 2012, 2018-2024 | Harley-Davidson | FLTRXSE CVO Road Glide | - | - |
| 2012 | Harley-Davidson | FLHXSE3 CVO Street Glide | - | - |
| 2012 | Harley-Davidson | FLHTCUSE7 CVO Ultra Classic Electra Glide | - | - |
| 2012 | Harley-Davidson | FLSTSE3 CVO Softail Convertible | - | - |
| 2011-2013, 2016-2019 | Harley-Davidson | FLTRU Road Glide Ultra | - | - |
| 2011-2013 | Harley-Davidson | FXS Blackline | - | - |
| 2011-2013 | Harley-Davidson | FLTRX Road Glide Custom | - | - |
| 2011-2012 | Harley-Davidson | Sportster 1200 XR | - | - |
| 2011, 2015-2016 | Harley-Davidson | FLTRUSE CVO Road Glide Ultra | - | - |
| 2011 | Harley-Davidson | FLHTCUSE6 CVO Ultra Classic Electra Glide | - | - |
| 2011 | Harley-Davidson | FLHXSE2 CVO Street Glide | - | - |
| 2011 | Harley-Davidson | FLSTSE2 CVO Softail Convertible | - | - |
| 2010-2020 | Harley-Davidson | XL1200X Forty-Eight | - | - |
| 2010-2017 | Harley-Davidson | FLSTFB Fat Boy Lo | - | - |
| 2010-2014 | Harley-Davidson | FLHTK Electra Glide Ultra Limited | - | - |
| 2010-2012 | Harley-Davidson | XR1200X | - | - |
| 2010-2012 | Harley-Davidson | Softail Standard EFI FXSTI | - | - |
| 2010-2011 | Harley-Davidson | FLHXXX Street Glide Trike | - | - |
| 2010, 2015-2025 | Harley-Davidson | FLHXSE CVO Street Glide | - | - |
| 2010 | Harley-Davidson | FLHTCUSE5 CVO Ultra Classic Electra Glide | - | - |
| 2010 | Harley-Davidson | FXDFSE2 CVO Dyna Fat Bob | - | - |
| 2010 | Harley-Davidson | FLSTSE CVO Softail Convertible | - | - |
| 2010 | Harley-Davidson | XR1200 | - | - |
| 2009-2017, 2025 | Harley-Davidson | FLHTCUTG Tri Glide Ultra | - | - |
| 2009-2013 | Harley-Davidson | Road King Classic FLHRC | - | - |
| 2009 | Harley-Davidson | FLTRSE3 CVO Road Glide | - | - |
| 2009 | Harley-Davidson | Fat Boy Lo FLSTFB | - | - |
| 2009 | Harley-Davidson | Sportster 1200 X XR | - | - |
| 2009 | Harley-Davidson | FXDFSE CVO Dyna Fat Bob | - | - |
| 2009 | Harley-Davidson | FXSTSSE3 CVO Softail Springer | - | - |
| 2009 | Harley-Davidson | FLHTCUSE4 CVO Ultra Classic Electra Glide | - | - |
| 2008-2017 | Harley-Davidson | FXDF Fat Bob | - | - |
| 2008-2011 | Harley-Davidson | FLSTSB Cross Bones | - | - |
| 2008-2011 | Harley-Davidson | FXCWC Rocker C | - | - |
| 2008-2009 | Harley-Davidson | FXCW Rocker | - | - |
| 2008 | Buell | XB12STT Lightning Super TT | - | - |
| 2008 | Harley-Davidson | FLHRSE4 Screamin Eagle Road King | - | - |
| 2008 | Harley-Davidson | FLHTCUSE3 Screamin Eagle Ultra Classic Electra Glide | - | - |
| 2008 | Harley-Davidson | FXDSE2 Screamin Eagle Dyna | - | - |
| 2008 | Harley-Davidson | FXSTSSE2 Screamin Eagle Softail Springer | - | - |
| 2007-2019 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic | - | - |
| 2007-2013 | Harley-Davidson | FLHRC Road King Classic | - | - |
| 2007-2012 | Harley-Davidson | XL1200N Sportster 1200 Nightster | - | - |
| 2007-2010 | Harley-Davidson | FXSTC Softail Custom | - | - |
| 2007, 2010 | Harley-Davidson | Softail Rocker FXCW | - | - |
| 2007 | Buell | XB12STT Lightning | - | - |
| 2007 | Harley-Davidson | Softail Rocker C FXCWC | - | - |
| 2007 | Harley-Davidson | FXSTSSE Screamin Eagle Softail Springer | - | - |
| 2007 | Harley-Davidson | FLHRSE3 Screamin Eagle Road King | - | - |
| 2007 | Harley-Davidson | FLHTCUSE2 Screamin Eagle Ultra Classic Electra Glide | - | - |
| 2007 | Harley-Davidson | FXDSE Screamin Eagle Dyna | - | - |
| 2007 | Harley-Davidson | XL50 50th Anniversary Sportster | - | - |
| 2006-2025 | Harley-Davidson | FLHX Street Glide | - | - |
| 2006-2017 | Harley-Davidson | FXDB Street Bob | - | - |
| 2006-2011 | Harley-Davidson | XL1200L Sportster 1200 Low | - | - |
| 2006-2009 | Buell | XB12Ss Lightning Long | - | - |
| 2006-2009 | Buell | XB12X Ulysses | - | - |
| 2006 | Harley-Davidson | FLHTCUSE Screamin Eagle Ultra Classic Electra Glide | - | - |
| 2006 | Harley-Davidson | 1200 Roadster EFI XLR | - | - |
| 2006 | Harley-Davidson | FLST Heritage Softail | - | - |
| 2006 | Harley-Davidson | Electra Glide Classic FLHTC | - | - |
| 2006 | Harley-Davidson | Low Rider FXDL | - | - |
| 2006 | Harley-Davidson | FLSTI Heritage Softail | - | - |
| 2006 | Harley-Davidson | FLHXI Street Glide | - | - |
| 2006 | Harley-Davidson | FXDI35 Dyna 35th Anniversary Super Glide | - | - |
| 2006 | Harley-Davidson | 1200 Low EFI XLL | - | - |
| 2005-2017 | Harley-Davidson | FLSTN Softail Deluxe | - | - |
| 2005-2008 | Buell | Lightning CityX XB9SX | - | - |
| 2005-2008 | Buell | XB12Scg Lightning | - | - |
| 2005-2007 | Harley-Davidson | FLSTSC Softail Springer Classic | - | - |
| 2005-2006 | Harley-Davidson | FLSTNI Softail Deluxe | - | - |
| 2005-2006 | Harley-Davidson | FLSTSCI Softail Springer Classic | - | - |
| 2005-2006 | Harley-Davidson | FLSTFSE Screamin Eagle Fat Boy | - | - |
| 2005-2006 | Harley-Davidson | FXDCI Super Glide Custom | - | - |
| 2005, 2007-2014 | Harley-Davidson | FXDC Super Glide Custom | - | - |
| 2005 | Harley-Davidson | 15th Anniversary Fat Boy FLSTF | - | - |
| 2005 | Harley-Davidson | FLHTCSE2 Screamin Eagle Electra Glide 2 | - | - |
| 2004-2009 | Harley-Davidson | XL1200R Sportster 1200 Roadster | - | - |
| 2004-2009 | Buell | XB12R Firebolt | - | - |
| 2004-2008 | Buell | XB12S Lightning | - | - |
| 2004-2007 | Harley-Davidson | FLHRS Road King Custom | - | - |
| 2004-2006 | Harley-Davidson | FLHRSI Road King Custom | - | - |
| 2004-2006 | Harley-Davidson | FXDLI Dyna Low Rider | - | - |
| 2004-2006 | Harley-Davidson | FXDI Dyna Super Glide | - | - |
| 2004-2006 | Harley-Davidson | FXDWGI Dyna Wide Glide | - | - |
| 2004-2005 | Harley-Davidson | FXDXI Dyna Super Glide Sport | - | - |
| 2004 | Harley-Davidson | FLHTCSE Screamin Eagle Electra Glide | - | - |
| 2003-2006 | Harley-Davidson | FLHTI Electra Glide Standard | - | - |
| 2003-2004 | Harley-Davidson | FXSTDSE Screamin Eagle Softail Deuce | - | - |
| 2003-2004 | Buell | XB9S Lightning | - | - |
| 2003 | Harley-Davidson | FLHRSEI2 Screamin Eagle Road King 2 | - | - |
| 2002-2007 | Buell | XB9R Firebolt | - | - |
| 2002-2006 | Harley-Davidson | 1200 Custom EFI XLC | - | - |
| 2002-2003, 2011-2017 | Harley-Davidson | 1200 XLCP | - | - |
| 2002 | Buell | X1W White Lightning | - | - |
| 2002 | Harley-Davidson | FLHRSEI Screamin Eagle Road King | - | - |
| 2002 | Harley-Davidson | FXDWG3 CVO Dyna Wide Glide | - | - |
| 2001-2006 | Harley-Davidson | FLSTFI Fat Boy | - | - |
| 2001-2006 | Harley-Davidson | FXSTBI Night Train | - | - |
| 2001-2006 | Harley-Davidson | FXSTDI Softail Deuce | - | - |
| 2001-2006 | Harley-Davidson | FXSTSI Springer Softail | - | - |
| 2001-2006 | Harley-Davidson | FLSTCI Heritage Softail Classic | - | - |
| 2001-2006 | Harley-Davidson | FXSTI Softail Standard | - | - |
| 2001-2003 | Harley-Davidson | FXDXT Dyna Super Glide T-Sport | - | - |
| 2001-2003 | Harley-Davidson | FLSTSI Heritage Springer | - | - |
| 2001 | Harley-Davidson | FXDWG2 CVO Dyna Wide Glide | - | - |
| 2001 | Harley-Davidson | FLTRSEI2 Screamin Eagle Road Glide 2 | - | - |
| 2000-2019 | Harley-Davidson | XL1200C Sportster 1200 Custom | - | - |
| 2000-2017 | Harley-Davidson | FLSTC Heritage Softail Classic | - | - |
| 2000-2017 | Harley-Davidson | FLSTF Fat Boy | - | - |
| 2000-2009 | Harley-Davidson | FXST Softail Standard | - | - |
| 2000-2009 | Harley-Davidson | FXSTB Night Train | - | - |
| 2000-2007 | Harley-Davidson | FXSTD Softail Deuce | - | - |
| 2000-2006 | Harley-Davidson | FLHRI Road King | - | - |
| 2000-2006 | Harley-Davidson | FXSTS Springer Softail | - | - |
| 2000-2003 | Harley-Davidson | XL1200S Sportster 1200 Sport | - | - |
| 2000-2003 | Harley-Davidson | FLSTS Heritage Springer | - | - |
| 2000-2003 | Harley-Davidson | Sportster 1200 XLH | - | - |
| 2000-2003 | Harley-Davidson | Wide Glide EFI FXDWGI | - | - |
| 2000-2002 | Buell | X1 Lightning | - | - |
| 2000-2002 | Harley-Davidson | Electra Glide Standard EFI FLHTI | - | - |
| 2000 | Harley-Davidson | FLTRSEI Screamin Eagle Road Glide | - | - |
| 2000 | Buell | M2 Cyclone | - | - |
| 1999-2025 | Harley-Davidson | Electra Glide Police FLHTPI | - | - |
| 1999-2022 | Harley-Davidson | FLHR Road King | - | - |
| 1999-2010, 2016 | Harley-Davidson | FLTR Road Glide | - | - |
| 1999-2010 | Harley-Davidson | FXD Dyna Super Glide | - | - |
| 1999-2009, 2019-2022 | Harley-Davidson | FLHT Electra Glide Standard | - | - |
| 1999-2008, 2010-2017 | Harley-Davidson | FXDWG Dyna Wide Glide | - | - |
| 1999-2006, 2025 | Harley-Davidson | Electra Glide Police FLHTP | - | - |
| 1999-2006 | Harley-Davidson | FLHTCI Electra Glide Classic | - | - |
| 1999-2006 | Harley-Davidson | FLHTCUI Electra Glide Ultra Classic | - | - |
| 1999-2006 | Harley-Davidson | FLTRI Road Glide | - | - |
| 1999-2006 | Harley-Davidson | FLHRCI Road King Classic | - | - |
| 1999-2006 | Harley-Davidson | Electra Glide Ultra Classic FLHTCU | - | - |
| 1999-2005, 2007-2013 | Harley-Davidson | FLHTC Electra Glide Classic | - | - |
| 1999-2005, 2007-2009, 2014-2017 | Harley-Davidson | FXDL Dyna Low Rider | - | - |
| 1999-2005 | Harley-Davidson | FXDX Dyna Super Glide Sport | - | - |
| 1999 | Harley-Davidson | Road King EFI FLHR | - | - |
| 1998-2000 | Harley-Davidson | FXDS-Conv Dyna Convertible |