In stock

Progressive Suspension Upgrade Kit — Quik Preload System — 444/944 — Black

Progressive Suspension · #1310-2504 · Progressive Suspension / Rear Suspension

Compatible with 444 and 944 Series shocks with Standard, Heavy Duty, and Super Duty spring rates
Sealed gear driven preload adjuster with 17 mm of adjustment
Make quick preload adjustments without removing saddlebags
Replaces original 444/944 Series upper shock cap
30 complete turns of preload fine adjustment

$439.95

In stock. Ships in 2–4 business days · free shipping over $150.

Questions? Call the shop: 801-361-3010

Real shop · real humans · 1231 N 1300 W Ste A, Centerville, UT 84014

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Description & features7 features

For all 444 and 944 Series Shocks.

Compatible with 444 and 944 Series shocks with Standard, Heavy Duty, and Super Duty spring rates
Sealed gear driven preload adjuster with 17 mm of adjustment
Make quick preload adjustments without removing saddlebags
Replaces original 444/944 Series upper shock cap
30 complete turns of preload fine adjustment
Adjusts with 8 mm socket wrench (not included)
Improves comfort and performance

Specifications6 specs

Color/Finish: Black, Anodized
Riding Style: Street
Units: Kit
Shipping weight: 2.04 lb
Package size: 11.6 × 5.8 × 2.5 in
Country of origin: Mexico

Fitment90 models · Harley-Davidson

Harley-Davidson90 models

883 Roadster XLR2007
Café Racer XLCR1979
Electra Glide Police FLHTPI2014–2025
FLH Electra Glide1980–1985
FLH Electra Glide Revival2021
FLHFB Electra Glide Highway King2023
FLHR Road King2002–2005, 2014–2022
FLHRCI Road King Classic2002–2005
FLHRS Road King Custom2004–2005
FLHRXS Road King Special2017–2025
FLHT Electra Glide Standard2019–2022
FLHTCU Electra Glide Ultra Classic2014–2019
FLHTCUL Electra Glide Ultra Classic Low2015–2016
FLHTCUTG Tri Glide Ultra2009–2024
FLHTCUTGSE CVO Tri Glide2020, 2022
FLHTK Ultra Limited2014–2024
FLHTKSE CVO Limited2014–2021
FLHX Street Glide2014–2024
FLHXS Street Glide Special2014–2023
FLHXSE CVO Street Glide2015–2025
FLHXST Street Glide ST2022–2023
FLHXU Street Glide Ultra2025
FLHXXX Street Glide Trike2010–2011
FLRT Freewheeler2015–2025
FLT Tour Glide1980–1983
FLTR Road Glide1998–2001, 2016
FLTRK Road Glide Limited2020–2024
FLTRKSE CVO Road Glide Limited2022
FLTRT Road Glide 32023–2025
FLTRU Road Glide Ultra2016–2019
FLTRUSE CVO Road Glide Ultra2015–2016
FLTRX Road Glide2015, 2017–2024
FLTRXS Road Glide Special2015–2023
FLTRXSE CVO Road Glide2018–2025
FLTRXST Road Glide ST2022–2023
FLTRXSTSE CVO Road Glide ST2024–2025
FXD Dyna Super Glide1995–2006
FXDB Street Bob2006–2017
FXDB-D Dyna Glide Daytona1992
FXDB-S Dyna Glide Sturgis1991
FXDC Super Glide Custom1992, 2005, 2007–2014
FXDCI Super Glide Custom2006
FXDF Fat Bob2008–2017
FXDI35 Dyna 35th Anniversary Super Glide2006
FXDL Dyna Low Rider1993–2006
FXDLS Low Rider S2016–2017
FXDS-Conv Dyna Convertible1995–2000
FXDWG Dyna Wide Glide1993–2006, 2010–2017
FXDX Dyna Super Glide Sport1999–2005
FXDXT Dyna Super Glide T-Sport2001–2003
Road Glide Custom FLTRX2025
Road Glide Police FLTRXP2024–2025
Road King Police FLHP2014–2025
Sportster 1200 XLH1999–2003
Sportster 1200 XR2011–2012
Sportster 750 XR1979–1985
Sportster 883 XLH1987, 1989–1993
Street Glide EFI FLHX2025
Tour Glide FLT1984–1986
Tri Glide Ultra Classic FLHTCUTG2025
VRSCA V-Rod2002–2006
VRSCB V-Rod2004–2005
VRSCD Night Rod2006
XL1200C Sportster 1200 Custom1996–2006, 2011–2019
XL1200CX Roadster2016–2020
XL1200L Sportster 1200 Low2006
XL1200N Sportster 1200 Nightster2007–2012
XL1200NS Iron 12002018–2021
XL1200R Sportster 1200 Roadster2004–2006, 2009
XL1200T SuperLow 1200T2014–2017
XL1200V Seventy-Two2012–2016
XL1200X Forty-Eight2010–2022
XL1200XS Forty-Eight Special2018–2019
XL883 Sportster2004–2006
XL883C Sportster 883 Custom2004–2006
XL883L Sportster 883 Low2005–2006
XL883N Iron 8832009–2022
XL883R Sportster 883 Roadster2006
XLCH1979
XLCR Cafe Racer1977–1978
XLH10001979–1985
XLH11001986–1987
XLH12001988–1998
XLH8831986, 1988, 1999–2001
XLH883DLX Sportster 883 Deluxe1986–1995
XLH883HUG Sportster 883 Hugger1987–1998, 2002–2003
XLS Roadster1979–1985
XLX 10001983–1985
XR10001983–1985
XR12002010

Fitment comes from the catalog data for this part. Double-check your year, model and trim before you order — or call the counter at 801-361-3010 and we’ll check it with you.

Part numbers

Salto part #: 1310-2504
Progressive Suspension part #: 5046-100

Shipping

In stock. Ships in 2–4 business days by ground.

Ground shipping is $14.95, free on orders over $150. Stock is checked again before your card is charged.

Questions4 answers

Is it in stock?: Yes — it’s in stock right now. We check again the moment you order, before anything is charged.
How fast will it get to me?: Usually 2–4 business days by ground.
Will it fit my machine?: It’s listed for the models in the Fitment section above. Not sure about your trim or year? Call the counter at 801-361-3010 and we’ll check it with you.
Is this genuine Progressive Suspension?: Yes. It’s new and genuine, straight from Salto — Progressive Suspension part #5046-100.