- FEULING® BEEHIVE® valve springs use a much smaller and lighter weight retainer which drastically reduces the valve weight creating a much quicker revving and smoother motion than comparable dual valve springs
- FEULING® endurance springs are a direct bolt-in replacement (Up to 650 cam lift and doesn't require machining or rocker box clearancing)
- Eliminates valve spring separation, maximizes stability, reduces valve-train noise and harmonics
- FEULING® BEEHIVE® valve springs must be installed at the correct open height, matching max lift to the open height spec of the valve springs
- Machined from a premium grade Hi-tensile chrome silicon single conical ovate wire, shot-peened with a specially processed thermal heat treatment and super NexTex finish
- Kit includes FEULING® ENDURACE BEEHIVE® valve springs, lightweight 7° Titanium heat treated retainers, machined spring seats, seat shims, valve locks and a set of premium rubber coated valve seals equipped with a spring loaded valve stem wiper system
- Made in the USA
- Seat lb / Installed Height :
- 198 lb @ 1.685 (0.535 Lift)
- 194 lb @ 1.703 (0.553 Lift)
- 190 lb @ 1.724 (0.574 Lift)
- 187 lb @ 1.754 (0.604 Lift)
- 185 lb @ 1.780 (0.630 Lift)
- 160 lb @ 1.800 (0.650 Lift)
- 375 lb @ 1.150 OPEN HEIGHT
- Coil Bind @ 1.100
NOTE: Fits Twin Cam Screamin' Eagle Heads with 5/16" valve stems with standard keeper grooves and .530" diameter valve guides
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 2011-2013 | Harley-Davidson | Blackline FXS | |
| 2013-2014 | Harley-Davidson | Breakout CVO FXSBSE | |
| 2016-2017 | Harley-Davidson | Breakout CVO Pro Street FXSE | |
| 2013-2017 | Harley-Davidson | Breakout FXSB | |
| 2008-2011 | Harley-Davidson | Cross Bones FLSTSB | |
| 2014-2016 | Harley-Davidson | CVO Limited FLHTKSE | |
| 1999-2000 | Harley-Davidson | Dyna Convertible FXDS-Conv | |
| 2009 | Harley-Davidson | Dyna CVO Fat Bob FXDFSE | |
| 2010 | Harley-Davidson | Dyna CVO Fat Bob FXDFSE2 | |
| 2008-2017 | Harley-Davidson | Dyna Fat Bob FXDF | |
| 2004-2006 | Harley-Davidson | Dyna Low Rider EFI FXDLI | |
| 1999-2005 | Harley-Davidson | Dyna Low Rider FXDL | |
| 2007-2009 | Harley-Davidson | Dyna Low Rider FXDL | |
| 2015-2017 | Harley-Davidson | Dyna Low Rider FXDL | |
| 2016-2017 | Harley-Davidson | Dyna Low Rider FXDLS | |
| 2006 | Harley-Davidson | Dyna Street Bob EFI FXDBI | |
| 2007-2017 | Harley-Davidson | Dyna Street Bob FXDB | |
| 2006 | Harley-Davidson | Dyna Super Glide 35th Anniversary FXD | |
| 2005-2006 | Harley-Davidson | Dyna Super Glide Custom EFI FXDCI | |
| 2005 | Harley-Davidson | Dyna Super Glide Custom FXDC | |
| 2007-2014 | Harley-Davidson | Dyna Super Glide Custom FXDC | |
| 2004-2006 | Harley-Davidson | Dyna Super Glide EFI FXDI | |
| 1999-2005 | Harley-Davidson | Dyna Super Glide FXD | |
| 2007-2010 | Harley-Davidson | Dyna Super Glide FXD | |
| 2008 | Harley-Davidson | Dyna Super Glide Screamin Eagle Anniversary FXDSE2 | |
| 2007 | Harley-Davidson | Dyna Super Glide Screamin Eagle FXDSE | |
| 2004-2005 | Harley-Davidson | Dyna Super Glide Sport EFI FXDXI | |
| 1999-2005 | Harley-Davidson | Dyna Super Glide Sport FXDX | |
| 2001-2003 | Harley-Davidson | Dyna Super Glide T-Sport FXDX-T | |
| 2012-2016 | Harley-Davidson | Dyna Switchback FLD | |
| 2004-2006 | Harley-Davidson | Dyna Wide Glide EFI FXDWGI | |
| 1999-2005 | Harley-Davidson | Dyna Wide Glide FXDWG | |
| 2007-2008 | Harley-Davidson | Dyna Wide Glide FXDWG | |
| 2010-2017 | Harley-Davidson | Dyna Wide Glide FXDWG | |
| 2001 | Harley-Davidson | Dyna Wide Glide Screamin Eagle FXDWG2 | |
| 2002 | Harley-Davidson | Dyna Wide Glide Screamin Eagle FXDWG3 | |
| 1999-2006 | Harley-Davidson | Electra Glide Classic EFI FLHTCI | |
| 1999-2005 | Harley-Davidson | Electra Glide Classic FLHTC | |
| 2007-2013 | Harley-Davidson | Electra Glide Classic FLHTC | |
| 2004-2005 | Harley-Davidson | Electra Glide Classic Screamin Eagle FLHTCSE | |
| 2009 | Harley-Davidson | Electra Glide CVO Ultra Classic FLHTCUSE4 | |
| 2010 | Harley-Davidson | Electra Glide CVO Ultra Classic FLHTCUSE5 | |
| 2011 | Harley-Davidson | Electra Glide CVO Ultra Classic FLHTCUSE6 | |
| 2012 | Harley-Davidson | Electra Glide CVO Ultra Classic FLHTCUSE7 | |
| 2013 | Harley-Davidson | Electra Glide CVO Ultra Classic FLHTCUSE8 | |
| 2003-2006 | Harley-Davidson | Electra Glide EFI FLHTI | |
| 1999-2009 | Harley-Davidson | Electra Glide FLHT | |
| 2015-2016 | Harley-Davidson | Electra Glide Low Ultra Classic FLHTCUL | |
| 2015 | Harley-Davidson | Electra Glide Low Ultra Limited FLHTKL | |
| 1999-2006 | Harley-Davidson | Electra Glide Ultra Classic EFI FLHTCUI | |
| 2007-2016 | Harley-Davidson | Electra Glide Ultra Classic FLHTCU | |
| 2006-2008 | Harley-Davidson | Electra Glide Ultra Classic Screamin Eagle FLHTCUS | |
| 2010-2015 | Harley-Davidson | Electra Glide Ultra Limited FLHTK | |
| 2001-2006 | Harley-Davidson | Fat Boy EFI FLSTFI | |
| 2000-2017 | Harley-Davidson | Fat Boy FLSTF | |
| 2010-2016 | Harley-Davidson | Fat Boy Lo FLSTFB | |
| 2016-2017 | Harley-Davidson | Fat Boy Lo S FLSTFBS | |
| 2005-2006 | Harley-Davidson | Fat Boy Screamin Eagle FLSTFSE | |
| 2015-2016 | Harley-Davidson | Freewheeler FLRT | |
| 2001-2006 | Harley-Davidson | Heritage Softail Classic EFI FLSTCI | |
| 2000-2017 | Harley-Davidson | Heritage Softail Classic FLSTC | |
| 2006 | Harley-Davidson | Heritage Softail EFI FLSTI | |
| 2006 | Harley-Davidson | Heritage Softail FLST | |
| 2001-2003 | Harley-Davidson | Heritage Springer EFI FLSTSI | |
| 2000-2003 | Harley-Davidson | Heritage Springer FLSTS | |
| 2001-2006 | Harley-Davidson | Night Train EFI FXSTBI | |
| 2000-2009 | Harley-Davidson | Night Train FXSTB | |
| 2010-2013 | Harley-Davidson | Road Glide Custom FLTRX | |
| 2012 | Harley-Davidson | Road Glide CVO Custom FLTRXSE | |
| 2013 | Harley-Davidson | Road Glide CVO Custom FLTRXSE2 | |
| 2009 | Harley-Davidson | Road Glide CVO FLTRSE3 | |
| 2011 | Harley-Davidson | Road Glide CVO Ultra FLTRUSE | |
| 2015-2016 | Harley-Davidson | Road Glide CVO Ultra FLTRUSE | |
| 1999-2006 | Harley-Davidson | Road Glide EFI FLTRI | |
| 1999-2002 | Harley-Davidson | Road Glide FLTR | |
| 2007-2009 | Harley-Davidson | Road Glide FLTR | |
| 2015-2016 | Harley-Davidson | Road Glide FLTRX | |
| 2000-2001 | Harley-Davidson | Road Glide Screamin Eagle EFI FLTRSEI | |
| 2015-2016 | Harley-Davidson | Road Glide Special FLTRXS | |
| 2011-2013 | Harley-Davidson | Road Glide Ultra FLTRU | |
| 2016 | Harley-Davidson | Road Glide Ultra FLTRU | |
| 1999-2006 | Harley-Davidson | Road King Classic EFI FLHRCI | |
| 2007-2013 | Harley-Davidson | Road King Classic FLHRC | |
| 2004-2006 | Harley-Davidson | Road King Custom EFI FLHRSI | |
| 2004-2007 | Harley-Davidson | Road King Custom FLHRS | |
| 2013 | Harley-Davidson | Road King CVO FLHRSE5 | |
| 2014 | Harley-Davidson | Road King CVO FLHRSE6 | |
| 2000-2006 | Harley-Davidson | Road King EFI FLHRI | |
| 1999-2016 | Harley-Davidson | Road King FLHR | |
| 2002 | Harley-Davidson | Road King Screamin Eagle EFI FLHRSEI | |
| 2003 | Harley-Davidson | Road King Screamin Eagle EFI FLHRSEI2 | |
| 2007 | Harley-Davidson | Road King Screamin Eagle FLHRSE3 | |
| 2008 | Harley-Davidson | Road King Screamin Eagle FLHRSE4 | |
| 2008-2011 | Harley-Davidson | Rocker C FXCWC | |
| 2008-2009 | Harley-Davidson | Rocker FXCW | |
| 2007-2010 | Harley-Davidson | Softail Custom FXSTC | |
| 2010 | Harley-Davidson | Softail CVO Convertible FLSTSE | |
| 2011 | Harley-Davidson | Softail CVO Convertible FLSTSE2 | |
| 2012 | Harley-Davidson | Softail CVO Convertible FLSTSE3 | |
| 2014-2015 | Harley-Davidson | Softail CVO Deluxe FLSTNSE | |
| 2005-2006 | Harley-Davidson | Softail Deluxe EFI FLSTNI | |
| 2005-2017 | Harley-Davidson | Softail Deluxe FLSTN | |
| 2001-2006 | Harley-Davidson | Softail Deuce EFI FXSTDI | |
| 2000-2007 | Harley-Davidson | Softail Deuce FXSTD | |
| 2003-2004 | Harley-Davidson | Softail Deuce Screamin Eagle FXSTDSE | |
| 2012-2017 | Harley-Davidson | Softail Slim FLS | |
| 2016-2017 | Harley-Davidson | Softail Slim S FLSS | |
| 2005-2006 | Harley-Davidson | Softail Springer Classic EFI FLSTSCI | |
| 2005-2007 | Harley-Davidson | Softail Springer Classic FLSTSC | |
| 2009 | Harley-Davidson | Softail Springer CVO FXSTSSE3 | |
| 2001-2006 | Harley-Davidson | Softail Springer EFI FXSTSI | |
| 2000-2006 | Harley-Davidson | Softail Springer FXSTS | |
| 2007 | Harley-Davidson | Softail Springer Screamin Eagle FXSTSSE | |
| 2008 | Harley-Davidson | Softail Springer Screamin Eagle FXSTSSE2 | |
| 2001-2006 | Harley-Davidson | Softail Standard EFI FXSTI | |
| 2000-2007 | Harley-Davidson | Softail Standard FXST | |
| 2010 | Harley-Davidson | Street Glide CVO FLHXSE | |
| 2015-2016 | Harley-Davidson | Street Glide CVO FLHXSE | |
| 2011 | Harley-Davidson | Street Glide CVO FLHXSE2 | |
| 2012 | Harley-Davidson | Street Glide CVO FLHXSE3 | |
| 2006 | Harley-Davidson | Street Glide EFI FLHXI | |
| 2006-2016 | Harley-Davidson | Street Glide FLHX | |
| 2014-2016 | Harley-Davidson | Street Glide Special FLHXS | |
| 2010-2011 | Harley-Davidson | Street Glide Trike FLHXXX | |
| 2000 | Harley-Davidson | Super Glide CVO FXR4 | |
| 2009-2013 | Harley-Davidson | Tri Glide Ultra Classic FLHTCUTG | |
| 2015 | Harley-Davidson | Tri Glide Ultra Classic FLHTCUTG | |
| 2016 | Harley-Davidson | Tri Glide Ultra FLHTCUTG | |
| 2016 | Harley-Davidson | Ultra Limited FLHTK | |
| 2016 | Harley-Davidson | Ultra Limited Low FLHTKL | |