Progressive 944 Series Heavy Duty Ultra Touring Rear Shocks (944-4020UT)
- Unique Ultra touring spring configuration provides the superb ride quality and suspension travel of a 13" shock but the custom lowered look of a 12" shock
- Built around Progressive Suspension's Frequency Sensing Technology (FST)
- Allows the shocks to sense the frequency of a bump and automatically adjust damping for superior ride quality
- 944 FST Heavy Duty Ultra Touring shocks are designed for riders 250-350 lbs.
- Unique spring combination delivers a dropped ride height while being ridden, but also while the bike is on a side stand
- This allows you to better manage your bike at intersections and when parking
- Adjust spring preload by hand; no special tool needed
- Progressive rate mainsprings specifically designed for touring models
- High-pressure gas charged for consistent performance
- Made in the U.S.A.
NOTE: Heavy duty applications are recommended for bikes operating at or near the manufacturer's maximum load rating over 50% of the time.
NOTE: Before purchasing or attempting to install shocks that are different than the OEM length, confirm that your wheel travel can be altered without causing clearance issues, such as swingarm/axle to exhaust contact as well as chain/belt guard or tire contact.
| Compatible Vehicles | |||
| Years | Make | Model | Notes |
| 1996-2006 | Harley-Davidson | Electra Glide Classic EFI FLHTCI | |
| 1980-1981 | Harley-Davidson | Electra Glide Classic FLHC | |
| 1983-2005 | Harley-Davidson | Electra Glide Classic FLHTC | |
| 2007-2013 | Harley-Davidson | Electra Glide Classic FLHTC | |
| 2003-2006 | Harley-Davidson | Electra Glide EFI FLHTI | |
| 1980-1982 | Harley-Davidson | Electra Glide FLH | |
| 1985 | Harley-Davidson | Electra Glide FLH | |
| 1986-1987 | Harley-Davidson | Electra Glide FLHT | |
| 1995-2009 | Harley-Davidson | Electra Glide FLHT | |
| 1984-1985 | Harley-Davidson | Electra Glide FLHX | |
| 2015-2016 | Harley-Davidson | Electra Glide Low Ultra Classic FLHTCUL | |
| 2015 | Harley-Davidson | Electra Glide Low Ultra Limited FLHTKL | |
| 2021 | Harley-Davidson | Electra Glide Revival | |
| 1980-1981 | Harley-Davidson | Electra Glide Sport FLHS | |
| 1984 | Harley-Davidson | Electra Glide Sport FLHS | |
| 1987-1993 | Harley-Davidson | Electra Glide Sport FLHS | |
| 2019-2022 | Harley-Davidson | Electra Glide Standard FLHT | |
| 1995-2006 | Harley-Davidson | Electra Glide Ultra Classic EFI FLHTCUI | |
| 1989-1997 | Harley-Davidson | Electra Glide Ultra Classic FLHTCU | |
| 2007-2019 | Harley-Davidson | Electra Glide Ultra Classic FLHTCU | |
| 2010-2015 | Harley-Davidson | Electra Glide Ultra Limited FLHTK | |
| 2023 | Harley-Davidson | Road Glide 3 FLTRT | |
| 2010-2013 | Harley-Davidson | Road Glide Custom FLTRX | |
| 1998-2006 | Harley-Davidson | Road Glide EFI FLTRI | |
| 1998-2002 | Harley-Davidson | Road Glide FLTR | |
| 2007-2009 | Harley-Davidson | Road Glide FLTR | |
| 2015-2023 | Harley-Davidson | Road Glide FLTRX | |
| 2020-2023 | Harley-Davidson | Road Glide Limited FLTRK | |
| 2015-2023 | Harley-Davidson | Road Glide Special FLTRXS | |
| 2022-2023 | Harley-Davidson | Road Glide ST FLTRXST | |
| 2011-2013 | Harley-Davidson | Road Glide Ultra FLTRU | |
| 2016-2019 | Harley-Davidson | Road Glide Ultra FLTRU | |
| 1998-2006 | 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 | |
| 1996-1997 | Harley-Davidson | Road King EFI FLHRI | |
| 2000-2006 | Harley-Davidson | Road King EFI FLHRI | |
| 1994-2022 | Harley-Davidson | Road King FLHR | |
| 2017-2023 | Harley-Davidson | Road King Special FLHRXS | |
| 2006 | Harley-Davidson | Street Glide EFI FLHXI | |
| 2006-2023 | Harley-Davidson | Street Glide FLHX | |
| 2014-2023 | Harley-Davidson | Street Glide Special FLHXS | |
| 2022-2023 | Harley-Davidson | Street Glide ST FLHXST | |
| 2011 | Harley-Davidson | Street Glide Trike FLHXXX | |
| 1981-1991 | Harley-Davidson | Tour Glide Classic FLTC | |
| 1980-1983 | Harley-Davidson | Tour Glide FLT | |
| 1996 | Harley-Davidson | Tour Glide Ultra Classic EFI FLTCUI | |
| 1989-1995 | Harley-Davidson | Tour Glide Ultra Classic FLTCU | |
| 2016-2023 | Harley-Davidson | Ultra Limited FLHTK | |
| 2016-2019 | Harley-Davidson | Ultra Limited Low FLHTKL | |