Description
Progressive Suspension - 444-4003B - 444 Series Shock - Black - Heavy-Duty - 13.5"
Features
- Feature the all-new Frequency Sensing Technology (FST) which allows the shocks to sense the frequency of a bump and automatically adjust damping for superior ride quality
- Deflective disc valving
- Pre-load spring adjusts by hand with no special tool needed
- Includes a progressive-rate spring and are high-pressure gas charged for consistent performance
- Shocks slightly longer than stock may alter head angle slightly and provide quicker steering.
- Shocks slightly shorter than stock may alter head angle and provide slower steering.
- Before purchasing or attempting to install shocks different than OEM length, confirm your wheel travel can be altered without causing clearance issues, such as swingarm/axle to exhaust contact and chain/belt guard or tire contact.
- Heavy duty applications recommended for bikes operating at or near maximum load rating over 50% of the time.
- Progressive Suspension Since 1982
Specs
| Duty | Heavy Duty |
| Model | 444 Series |
| Product Name | Shock Absorber |
| Units | Pair |
| Mounting Position | Rear |
| Reservoir Location | Internal |
| Riding Style | Street |
| Type | Coilover Monotube |
| Spring Type | Single Progressive Rate |
| Color/Finish | Black |
| Progressive Spring Rate Imperial | 90.00 lb/in - 130.00 lb/in |
| Adjustment Style | Automatic |
| Extended Length Imperial | 13.50'' |
Fitment
| 2002-2019 | Harley-Davidson | 1200 Custom EFI XLC |
| 1996-2006 | Harley-Davidson | 1200 Custom XLC |
| 2006-2011 | Harley-Davidson | 1200 Low EFI XLL |
| 2006 | Harley-Davidson | 1200 Low XLL |
| 2007-2012 | Harley-Davidson | 1200 Nightster XLN |
| 2006-2008 | Harley-Davidson | 1200 Roadster EFI XLR |
| 2016-2020 | Harley-Davidson | 1200 Roadster XLCX |
| 2004-2006 | Harley-Davidson | 1200 Roadster XLR |
| 1996-2003 | Harley-Davidson | 1200 Sport XLS |
| 2011-2017 | Harley-Davidson | 1200 XLCP |
| 2004-2009 | Harley-Davidson | 883 Custom EFI XLC |
| 1999-2006 | Harley-Davidson | 883 Custom XLC |
| 1986-1995 | Harley-Davidson | 883 Deluxe XLH |
| 2007-2009 | Harley-Davidson | 883 EFI XL |
| 1987-2003 | Harley-Davidson | 883 Hugger XLH |
| 2006-2010 | Harley-Davidson | 883 Low EFI XLL |
| 2005-2006 | Harley-Davidson | 883 Low XLL |
| 2005-2007 | Harley-Davidson | 883 Roadster EFI XLR |
| 2002-2003, 2005-2007 | Harley-Davidson | 883 Roadster XLR |
| 2011-2019 | Harley-Davidson | 883 SuperLow XLL |
| 2004-2006 | Harley-Davidson | 883 XL |
| 1977-1979 | Harley-Davidson | Caf? Racer XLCR |
| 2009 | Harley-Davidson | CVO Electra Glide Ultra Classic FLHTCUSE4 |
| 2010 | Harley-Davidson | CVO Electra Glide Ultra Classic FLHTCUSE5 |
| 2011 | Harley-Davidson | CVO Electra Glide Ultra Classic FLHTCUSE6 |
| 2012 | Harley-Davidson | CVO Electra Glide Ultra Classic FLHTCUSE7 |
| 2013 | Harley-Davidson | CVO Electra Glide Ultra Classic FLHTCUSE8 |
| 2016-2021 | Harley-Davidson | CVO Electra Glide Ultra Limited FLHTKSE |
| 2012, 2018-2024 | Harley-Davidson | CVO Road Glide Custom FLTRXSE |
| 2013 | Harley-Davidson | CVO Road Glide Custom FLTRXSE2 |
| 2009 | Harley-Davidson | CVO Road Glide FLTRSE3 |
| 2011, 2015-2016 | Harley-Davidson | CVO Road Glide Ultra FLTRUSE |
| 2013 | Harley-Davidson | CVO Road King FLHRSE5 |
| 2010, 2015-2025 | Harley-Davidson | CVO Street Glide FLHXSE |
| 2011 | Harley-Davidson | CVO Street Glide FLHXSE2 |
| 2012 | Harley-Davidson | CVO Street Glide FLHXSE3 |
| 1984 | Harley-Davidson | Disc Glide FXRDG |
| 1995-2013 | Harley-Davidson | Electra Glide Classic EFI FLHTCI |
| 1980-1981 | Harley-Davidson | Electra Glide Classic FLHC |
| 1983-2006 | Harley-Davidson | Electra Glide Classic FLHTC |
| 1985 | Harley-Davidson | Electra Glide FLH |
| 2023 | Harley-Davidson | Electra Glide Highway King FLHFB |
| 1995-2019, 2021, 2023-2024 | Harley-Davidson | Electra Glide Police FLHTPI |
| 1983-2006 | Harley-Davidson | Electra Glide Police FLHTP |
| 2021 | Harley-Davidson | Electra Glide Revival |
| 1984-1985 | Harley-Davidson | Electra Glide Special FLHX |
| 1980-1982, 1987-1993 | Harley-Davidson | Electra Glide Sport FLHS |
| 2000-2009 | Harley-Davidson | Electra Glide Standard EFI FLHTI |
| 1983-1987, 1995-2006 | Harley-Davidson | Electra Glide Standard FLHT |
| 1995-2019 | Harley-Davidson | Electra Glide Ultra Classic EFI FLHTCUI |
| 1989-2006 | Harley-Davidson | Electra Glide Ultra Classic FLHTCU |
| 2015-2016 | Harley-Davidson | Electra Glide Ultra Classic Low FLHTCUL |
| 2010-2024 | Harley-Davidson | Electra Glide Ultra Limited FLHTK |
| 2015-2016, 2018-2019 | Harley-Davidson | Electra Glide Ultra Limited Low FLHTKL |
| 2018-2019 | Harley-Davidson | Forty-Eight Special XLXS |
| 2010-2019, 2021-2022 | Harley-Davidson | Forty-Eight XLX |
| 2018-2021 | Harley-Davidson | Iron 1200 XLNS |
| 2009-2022 | Harley-Davidson | Iron 883 XLN |
| 1985 | Harley-Davidson | Low Glide Custom FXRC |
| 1984-1985 | Harley-Davidson | Low Glide FXRS |
| 1987 | Harley-Davidson | Low Rider Chrome FXRC |
| 1987-1994 | Harley-Davidson | Low Rider Custom FXLR |
| 1986-1993 | Harley-Davidson | Low Rider FXRS |
| 1998-2009 | Harley-Davidson | Road Glide EFI FLTR |
| 2010-2013, 2015-2025 | Harley-Davidson | Road Glide Custom FLTRX |
| 1998-2006 | Harley-Davidson | Road Glide FLTR |
| 2020-2023 | Harley-Davidson | Road Glide Limited FLTRK |
| 2024 | Harley-Davidson | Road Glide Police FLTRXP |
| 2015-2023 | Harley-Davidson | Road Glide Special FLTRXS |
| 2022-2023 | Harley-Davidson | Road Glide ST FLTRXST |
| 2011-2013, 2016-2019 | Harley-Davidson | Road Glide Ultra FLTRU |
| 1995-2013 | Harley-Davidson | Road King Classic EFI FLHRC |
| 2009-2013 | Harley-Davidson | Road King Classic FLHRC |
| 2004-2007 | Harley-Davidson | Road King Custom EFI FLHRS |
| 2004-2006 | Harley-Davidson | Road King Custom FLHRS |
| 1995-2022 | Harley-Davidson | Road King EFI FLHR |
| 1994-2006 | Harley-Davidson | Road King FLHR |
| 2014-2024 | Harley-Davidson | Road King Police FLHP |
| 2017-2025 | Harley-Davidson | Road King Special FLHRXS |
| 1979-1985 | Harley-Davidson | Roadster 1000 XLS |
| 2004 | Harley-Davidson | Screamin' Eagle Electra Glide FLHTCSE |
| 2005 | Harley-Davidson | Screamin' Eagle Electra Glide FLHTCSE2 |
| 2006 | Harley-Davidson | Screamin' Eagle Electra Glide Ultra Classic FLHTCUSE |
| 2007 | Harley-Davidson | Screamin' Eagle Electra Glide Ultra Classic FLHTCUSE2 |
| 2008 | Harley-Davidson | Screamin' Eagle Electra Glide Ultra Classic FLHTCUSE3 |
| 2000 | Harley-Davidson | Screamin' Eagle Road Glide FLTRSE-I |
| 2001 | Harley-Davidson | Screamin' Eagle Road Glide FLTRSE-I2 |
| 2007 | Harley-Davidson | Screamin' Eagle Road King FLHRSE3 |
| 2008 | Harley-Davidson | Screamin' Eagle Road King FLHRSE4 |
| 2002 | Harley-Davidson | Screamin' Eagle Road King FLHRSE-I |
| 2003 | Harley-Davidson | Screamin' Eagle Road King FLHRSE-I2 |
| 2012-2016 | Harley-Davidson | Seventy-Two XLV |
| 1983-1987, 1989-1993 | Harley-Davidson | Sport Glide FXRT |
| 1979 | Harley-Davidson | Sportster 1000 XLCH |
| 1979-1985 | Harley-Davidson | Sportster 1000 XLH |
| 1983-1985 | Harley-Davidson | Sportster 1000 XLX |
| 1983-1985 | Harley-Davidson | Sportster 1000 XR |
| 1986-1987 | Harley-Davidson | Sportster 1100 XLH |
| 2009-2012 | Harley-Davidson | Sportster 1200 X XR |
| 2007 | Harley-Davidson | Sportster 1200 XL 50 |
| 1988-2003 | Harley-Davidson | Sportster 1200 XLH |
| 2009-2012 | Harley-Davidson | Sportster 1200 XR |
| 1979-1983, 1985 | Harley-Davidson | Sportster 750 XR |
| 1986-2003 | Harley-Davidson | Sportster 883 XLH |
| 2006-2023, 2025 | Harley-Davidson | Street Glide EFI FLHX |
| 2006 | Harley-Davidson | Street Glide FLHX |
| 2014-2023 | Harley-Davidson | Street Glide Special FLHXS |
| 2022-2023 | Harley-Davidson | Street Glide ST FLHXST |
| 2010-2011 | Harley-Davidson | Street Glide Trike FLHXXX |
| 1986-1994 | Harley-Davidson | Super Glide FXR |
| 1982-1983 | Harley-Davidson | Super Glide II FXR |
| 1982-1983 | Harley-Davidson | Super Glide II FXRS |
| 2014-2017 | Harley-Davidson | SuperLow 1200 XLT |
| 1980-1994 | Harley-Davidson | Tour Glide Classic FLTC |
| 1980-1986 | Harley-Davidson | Tour Glide FLT |
| 1996 | Harley-Davidson | Tour Glide Ultra Classic EFI FLTCU |
| 1989-1996 | Harley-Davidson | Tour Glide Ultra Classic FLTCU |
