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Progressive Suspension 444 Black 11.5" Shocks

J&P Cycles Part Number: 504-522

Manufacturer Part Number: 444-4053B

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Description

Description for Progressive Suspension 444 Black 11.5" Shocks

• After more than a decade of ruling the roads with their famous 440 Series shocks with IAS, Progressive Suspension has unveiled another breakthrough design

• It is dubbed Frequency Sensing Technology (FST) for its unique ability to dynamically adjust damping as you ride

• Frequency Sensing Technology allows the shocks to sense the frequency of a bump and automatically adjust damping for superior ride quality

• These shocks also feature deflective disc valving, hand adjustable spring pre-load (no special tools needed), and progressive rate springs

• High pressure gas charged for consistent performance

• Sold in pairs

• Lifetime Limited Warranty

• Standard Duty for FX, FXWG, FL-FLH (4 speed)

• Heavy Duty for FXD and FXDWG

Product Specs

Product Specs for Progressive Suspension 444 Black 11.5" Shocks

Adjustable:
Yes
Manufacturer Part Number:
444-4053B
Shock Length:
11-1/2"
Shock Style:
Gas Filled
Sold in Units:
Pair
Standard or Heavy Duty:
Standard Duty
Style:
444
Warehouse Part Number:
1011902
Fitment
Fitment Questions?

With over 750 years of experience combined, our tech staff has the answers!

Compatible Models

Harley-Davidson® Models

  • Dyna Defender FXDP : 2001–2004
  • Dyna Fat Bob CVO FXDFSE : 2009
  • Dyna Fat Bob CVO FXDFSE2 : 2010
  • Dyna Fat Bob FXDF : 2008–2014, 2016–2017
  • Dyna Low Rider Convertible FXDS-CONV : 1994–2000
  • Dyna Low Rider EFI FXDLI : 2004–2006
  • Dyna Low Rider FXDL : 1993–2005, 2007–2017
  • Dyna Street Bob EFI FXDBI : 2006
  • Dyna Street Bob FXDB : 2007–2017
  • Dyna Street Bob FXDBB : 2015–2016
  • Dyna Street Bob FXDBP : 2013–2016
  • Dyna Super Glide 35th Anniversary EFI FXDI35 : 2006
  • Dyna Super Glide Custom Anniversary FXDC : 2013
  • Dyna Super Glide Custom EFI FXDCI : 2005–2006
  • Dyna Super Glide Custom FXDC : 1992, 2005, 2007–2014
  • Dyna Super Glide CVO FXDSE : 2007
  • Dyna Super Glide CVO FXDSE2 : 2008
  • Dyna Super Glide Daytona FXDB-D : 1992
  • Dyna Super Glide EFI FXDI : 2004–2006
  • Dyna Super Glide FXD : 1995–2005, 2007–2010
  • Dyna Super Glide Sport EFI FXDXI : 2004–2005
  • Dyna Super Glide Sport FXDX : 2000–2005
  • Dyna Super Glide Sturgis FXDB-S : 1991
  • Dyna Super Glide T-Sport FXDXT : 2001–2003
  • Dyna Wide Glide CVO FXDWG2 : 2001
  • Dyna Wide Glide CVO FXDWG3 : 2002
  • Dyna Wide Glide EFI FXDWGI : 2005–2006
  • Dyna Wide Glide FXDWG : 1993–2005, 2007–2008, 2010–2017
  • Electra Glide Anniversary FLH : 1978
  • Electra Glide Classic FLHC : 1979–1982
  • Electra Glide Classic Side Car FLHCE : 1979–1981
  • Electra Glide FLH : 1970–1978, 1981–1984
  • Electra Glide FLH-74 : 1980
  • Electra Glide FLH-80 : 1978–1980
  • Electra Glide FLHF : 1970–1975
  • Electra Glide Heritage FLH : 1981
  • Electra Glide Police FLHP : 1981
  • Electra Glide Police FLHP-74 : 1979–1980
  • Electra Glide Police FLHP-80 : 1979–1980
  • Electra Glide Police FLP : 1971–1972, 1974–1975
  • Electra Glide Sport FLHS : 1977, 1980–1984
  • Low Rider FXS : 1977–1978, 1981–1982
  • Low Rider FXS-74 : 1979–1980
  • Low Rider FXS-80 : 1979–1980
  • Sturgis Belt FXB : 1981
  • Super Glide Electric Start FXE : 1974–1984
  • Super Glide Fat Bob FXEF : 1980–1985
  • Super Glide Fat Bob FXEF-74 : 1979
  • Super Glide Fat Bob FXEF-80 : 1979
  • Super Glide Kick Start FX : 1972–1978
  • Wide Glide FXWG : 1980–1986
Customer Reviews

Customer Reviews for Progressive Suspension 444 Black 11.5" Shocks

Overall Rating

5 out of 5 stars (based on 2 reviews)

5 stars (2)

4 stars (0)

3 stars (0)

2 stars (0)

1 star (0)

0 stars (0)

Jeb-0 on 3/1/2019

5 Star

rock01964 on 2/4/2014

Great; easy fit up; handles well; just what I needed to easily lower my FXDX by 1 1/2"

Important Product Notes

Note: When shocks are different than stock length, clearance must be carefully checked for potentially dangerous interference.

Warranty Information

Manufacture's Lifetime Limited Warranty

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