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Progressive Suspension 444 Black 13.5" Heavy Duty Shocks

J&P Cycles Part Number: 743-041

Manufacturer Part Number: 444-4073B

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Description for Progressive Suspension 444 Black 13.5" Heavy Duty Shocks

• Tuned specifically to address the weight challenges of the HD trike

• 1/2″ taller than stock height

• 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

• Hand adjustable Preload

• Lifetime limited warranty

Product Specs

Product Specs for Progressive Suspension 444 Black 13.5" Heavy Duty Shocks

Manufacturer Part Number:
Shock Length:
Shock Style:
Gas Filled
Sold in Units:
Standard or Heavy Duty:
Heavy Duty
Warehouse Part Number:
Fitment Questions?

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Compatible Models

Harley-Davidson® Models

  • Trike Freewheeler FLRT : 2015–2019
  • Trike Street Glide FLHXXX : 2010–2011
  • Trike Tri Glide Ultra Classic Anniversary FLHTCUTG : 2018
  • Trike Tri Glide Ultra Classic FLHTCUTG : 2009–2019
Customer Reviews

Customer Reviews for Progressive Suspension 444 Black 13.5" Heavy Duty Shocks

Overall Rating

5 out of 5 stars (based on 3 reviews)

5 stars (3)

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1 star (0)

0 stars (0)

HOUSTON on 5/18/2019

100% improved ride

cyclemo54 on 10/12/2017

I bought these shocks to replace the air shocks on my 2016 Ultra Limited. Improved the ride and eliminated bottoming. Word of advice since these are 13.5 inches long you have to remove the pipes to install them.

pkurzenhauser on 3/29/2016

I bought and installed these shocks at Daytona Bike Week and rode back to Virginia on them. I have a 2008 Electraglide. I've put about 1500 miles on them so far. WAY better than the old stock air shocks (had 30,000 miles on those, so they were getting mushy). I chose the 13.5" length, which is 1/2" longer than stock, and the heavy springs. I wanted the additional suspension stroke and to raise the bike up a bit to increase cornering clearance and reduce bottoming, especially with a passenger on board. Also, the "draggin' ass" look of lowered baggers looks goofy to me. I weigh 245 lbs, so with 150-200 lbs of passenger and stuff, I bottomed the old shocks regularly, and scraped the footboards frequently (even with the air pressure at max). THe new shocks are stiffer, but not what I would consider harsh, and I think that enhances control--I get less wallowing in high-speed turns, in fact, I can hardly notice it at all. I do ride long distances of 800+ miles per day, and while these are not as soft as the original shocks, I find them completely comfortable over those distances. You can spend way more, but end up less pleased. I strongly recommend the 444's for your touring bike.

Important Product Notes

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

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