Feuling Race Series 0.8435" to 0.844" Oversize Solid Lifters Harley Twin Cam M8

• Designed for engines with radical valve spring pressures and large lift camshaft
• Optimize valvetrain stability at high rpm, decrease valve float, maintain maximum valve lift, increase horsepower and torque output
• CNC machined and precison ground with 0.700" diameter rollers maintaining proper and critical oil flow to top end with metered oiling
• Utilizes standard pushrod seat height
• Made in the USA
• Feuling recommends the use of Race Series® adjustable pushrods or comparable heavy duty adjustable pushrods.
• For best results Feuling recommends the use of a high volume oil pump.

2024 Harley-Davidson Road Glide Police FLTRXP
2024 Harley-Davidson Hydra-Glide Revival
2024 Harley-Davidson CVO Road Glide ST FLTRXSTSE
2023 Harley-Davidson Electra Glide Highway King FLHFB
2022-2024 Harley-Davidson Softail Low Rider ST FXLRST
2022-2023 Harley-Davidson CVO Road Glide Limited
2022-2023 Harley-Davidson Street Glide ST FLHXST
2022-2023 Harley-Davidson Road Glide ST FLTRXST
2022 Harley-Davidson Softail Low Rider El Diablo FXRST
2021 Harley-Davidson Electra Glide Revival
2020-2024 Harley-Davidson Softail Low Rider S FXLRS
2020-2024 Harley-Davidson Road Glide Limited FLTRK
2019-2020 Harley-Davidson FXDR 114
2018-2024 Harley-Davidson Softail Street Bob FXBB
2018-2024 Harley-Davidson Softail Heritage Classic 114 FLHCS
2018-2024 Harley-Davidson Softail Fat Boy 114 FLFBS
2018-2023 Harley-Davidson Softail Fat Bob 114 FXFBS
2018-2021 Harley-Davidson Softail Slim FLSL
2018-2021 Harley-Davidson Softail Heritage Classic FLHC
2018-2021 Harley-Davidson Softail Sport Glide FLSB
2018-2020 Harley-Davidson Softail Breakout 114 FXBRS
2018-2020 Harley-Davidson Softail Deluxe FLDE
2018-2020 Harley-Davidson Softail Low Rider FXLR
2018-2019, 2023-2024 Harley-Davidson Softail Breakout FXBR
2018-2019 Harley-Davidson Softail Fat Bob FXFB
2018-2019 Harley-Davidson Softail Fat Boy FLFB
2017-2024 Harley-Davidson Road King Police FLHP
2017-2024 Harley-Davidson Road King Special FLHRXS
2016-2017 Harley-Davidson Low Rider S FXDLS
2016-2017 Harley-Davidson 1200 Roadster XLCX
2015-2023 Harley-Davidson Road Glide Special FLTRXS
2015-2019 Harley-Davidson Electra Glide Ultra Limited Low FLHTKL
2014-2023 Harley-Davidson Street Glide Special FLHXS
2014-2021 Harley-Davidson CVO Electra Glide Ultra Limited FLHTKSE
2014-2017 Harley-Davidson SuperLow 1200 XLT
2014-2016 Harley-Davidson Electra Glide Ultra Classic Low FLHTCUL
2013 Harley-Davidson CVO Road King FLHRSE5
2013 Harley-Davidson CVO Road Glide Custom FLTRXSE2
2013 Harley-Davidson CVO Electra Glide Ultra Classic FLHTCUSE8
2012-2016 Harley-Davidson Switchback FLD
2012-2016 Harley-Davidson Seventy-Two XLV
2012, 2018-2024 Harley-Davidson CVO Road Glide Custom FLTRXSE
2012 Harley-Davidson CVO Street Glide FLHXSE3
2012 Harley-Davidson CVO Electra Glide Ultra Classic FLHTCUSE7
2011-2017 Harley-Davidson 883 SuperLow XLL
2011-2013, 2016-2019 Harley-Davidson Road Glide Ultra FLTRU
2011, 2015-2016 Harley-Davidson CVO Road Glide Ultra FLTRUSE
2011 Harley-Davidson CVO Street Glide FLHXSE2
2011 Harley-Davidson CVO Electra Glide Ultra Classic FLHTCUSE6
2010-2024 Harley-Davidson Electra Glide Ultra Limited FLHTK
2010-2017 Harley-Davidson Forty-Eight XLX
2010-2013, 2015-2024 Harley-Davidson Road Glide Custom FLTRX
2010, 2015-2024 Harley-Davidson CVO Street Glide FLHXSE
2010 Harley-Davidson CVO Electra Glide Ultra Classic FLHTCUSE5
2010 Harley-Davidson CVO Fat Bob FXDFSE2
2009-2017 Harley-Davidson Iron 883 XLN
2009-2013 Harley-Davidson Road King Classic FLHRC
2009 Harley-Davidson CVO Electra Glide Ultra Classic FLHTCUSE4
2009 Harley-Davidson CVO Fat Bob FXDFSE
2009 Harley-Davidson CVO Road Glide FLTRSE3
2008-2017 Harley-Davidson Fat Bob FXDF 
2008 Harley-Davidson Screamin' Eagle Electra Glide Ultra Classic FLHTCUSE3
2008 Harley-Davidson Screamin' Eagle Road King FLHRSE4
2008 Harley-Davidson Screamin' Eagle Dyna FXDSE2
2007-2012 Harley-Davidson 1200 Nightster XLN
2007-2009 Harley-Davidson 883 EFI XL
2007 Harley-Davidson Screamin' Eagle Road King FLHRSE3
2007 Harley-Davidson Screamin' Eagle Dyna FXDSE
2007 Harley-Davidson Screamin' Eagle Softail Springer FXSTSSE
2007 Harley-Davidson Softail Rocker FXCW
2007 Harley-Davidson Softail Custom EFI FXSTC
2007 Harley-Davidson Screamin' Eagle Electra Glide Ultra Classic FLHTCUSE2
2007 Harley-Davidson Sportster 1200 XL 50
2007 Harley-Davidson Softail Rocker C FXCWC
2006-2024 Harley-Davidson Street Glide EFI FLHX
2006-2017 Harley-Davidson Street Bob FXDB
2006-2011 Harley-Davidson 1200 Low EFI XLL
2006-2010 Harley-Davidson 883 Low EFI XLL
2006-2008 Harley-Davidson 1200 Roadster EFI XLR
2006 Harley-Davidson Street Glide FLHX
2006 Harley-Davidson Screamin' Eagle Fat Boy FLSTFSE2
2006 Harley-Davidson Softail Heritage EFI FLSTI
2006 Harley-Davidson Softail Heritage FLST
2006 Harley-Davidson Super Glide FXD35
2006 Harley-Davidson Screamin' Eagle Electra Glide Ultra Classic FLHTCUSE
2006 Harley-Davidson 1200 Low XLL
2005-2014 Harley-Davidson Super Glide Custom EFI FXDCI
2005-2007 Harley-Davidson Softail Springer Classic EFI FLSTSCI
2005-2007 Harley-Davidson Softail Deluxe EFI FLSTNI
2005-2006 Harley-Davidson Softail Springer Classic FLSTSC
2005-2006 Harley-Davidson Softail Deluxe FLSTN
2005-2006 Harley-Davidson 883 Low XLL
2005 Harley-Davidson Super Glide Custom FXDC
2005 Harley-Davidson 15th Anniversary Fat Boy FLSTF
2005 Harley-Davidson Screamin' Eagle Fat Boy FLSTFSE
2005 Harley-Davidson Screamin' Eagle Electra Glide FLHTCSE2
2004-2010 Harley-Davidson Super Glide EFI FXDI
2004-2009, 2014-2017 Harley-Davidson Low Rider EFI FXDL
2004-2007 Harley-Davidson Road King Custom EFI FLHRS
2004-2006 Harley-Davidson 883 XL
2004-2006 Harley-Davidson Road King Custom FLHRS
2004-2006 Harley-Davidson 1200 Roadster XLR
2004-2005 Harley-Davidson Super Glide Sport EFI FXDXI
2004 Harley-Davidson Screamin' Eagle Electra Glide FLHTCSE
2004 Harley-Davidson Screamin' Eagle Deuce FXSTDSE2
2003 Harley-Davidson Screamin' Eagle Deuce FXSTDSE
2003 Harley-Davidson Screamin' Eagle Road King FLHRSE-I2
2002-2017 Harley-Davidson 1200 Custom EFI XLC
2002-2003, 2011-2017 Harley-Davidson 1200 XLCP
2002-2003, 2005-2007 Harley-Davidson 883 Roadster XLR
2002-2003, 2005-2007 Harley-Davidson 883 Roadster EFI XLR
2002 Harley-Davidson Wide Glide FXDWG3
2002 Harley-Davidson Screamin' Eagle Road King FLHRSE-I
2001-2007 Harley-Davidson Softail Standard EFI FXSTI
2001-2007 Harley-Davidson Softail Night Train EFI FXSTBI
2001-2007 Harley-Davidson Softail Deuce EFI FXSTDI
2001-2007 Harley-Davidson Softail Heritage Classic EFI FLSTCI
2001-2007 Harley-Davidson Softail Fat Boy EFI FLSTFI
2001-2006 Harley-Davidson Softail Springer EFI FXSTSI
2001-2003 Harley-Davidson Super Glide T-Sport FXDXT
2001-2003 Harley-Davidson Softail Heritage Springer EFI FLSTSI
2001 Harley-Davidson Wide Glide FXDWG2
2001 Harley-Davidson Screamin' Eagle Road Glide FLTRSE-I2
2000-2009, 2019-2022 Harley-Davidson Electra Glide Standard EFI FLHTI
2000-2009 Harley-Davidson 883 Custom EFI XLC
2000-2008, 2010-2017 Harley-Davidson Wide Glide EFI FXDWGI
2000-2006 Harley-Davidson Softail Deuce FXSTD
2000-2006 Harley-Davidson 883 Custom XLC
2000-2006 Harley-Davidson 1200 Custom XLC
2000-2003 Harley-Davidson 883 Hugger XLH
2000-2003 Harley-Davidson Sportster 1200 XLH
2000-2003 Harley-Davidson Sportster 883 XLH
2000-2003 Harley-Davidson 1200 Sport XLS
2000 Harley-Davidson Screamin' Eagle Road Glide FLTRSE-I
1999-2024 Harley-Davidson Electra Glide Police FLHTPI
1999-2022 Harley-Davidson Road King EFI FLHR
1999-2019 Harley-Davidson Electra Glide Ultra Classic EFI FLHTCUI
1999-2013 Harley-Davidson Electra Glide Classic EFI FLHTCI
1999-2013 Harley-Davidson Road King Classic EFI FLHRC
1999-2009 Harley-Davidson Road Glide EFI FLTR
1999-2006, 2020-2024 Harley-Davidson Softail Standard FXST
1999-2006 Harley-Davidson Road Glide FLTR 
1999-2006 Harley-Davidson Softail Night Train FXSTB
1999-2006 Harley-Davidson Electra Glide Classic FLHTC
1999-2006 Harley-Davidson Electra Glide Ultra Classic FLHTCU
1999-2006 Harley-Davidson Electra Glide Standard FLHT
1999-2006 Harley-Davidson Electra Glide Police FLHTP
1999-2006 Harley-Davidson Super Glide FXD
1999-2006 Harley-Davidson Wide Glide FXDWG
1999-2006 Harley-Davidson Softail Springer FXSTS
1999-2006 Harley-Davidson Low Rider FXDL
1999-2006 Harley-Davidson Road King FLHR
1999-2006 Harley-Davidson Softail Heritage Classic FLSTC
1999-2006 Harley-Davidson Softail Fat Boy FLSTF
1999-2005 Harley-Davidson Super Glide Sport FXDX
1999-2003 Harley-Davidson Softail Heritage Springer FLSTS
1999-2000 Harley-Davidson Dyna Convertible FXDS-CONV
1999 Harley-Davidson Softail Custom FXSTC

Manufacturer's Warranty

High volume oil pump recommended. Requires removal of rocker covers and rocker arm supports for installation.