Progressive 422 Shocks W/ RAP For Harley Softail 2000-2017
  • Progressive 422 Shocks W/ RAP For Harley Softail 2000-2017 - Chrome
  • Progressive 422 Shocks W/ RAP For Harley Softail 2000-2017

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Progressive Suspension 422 Series Shocks W/ RAP For Harley Softail

The Softail chassis has long been a challenge since the shocks are hidden under the frame which makes common adjustments difficult. The RAP (Remote Adjustable Preload) system allows for easy tuning of the shocks to account for changing loads or the addition of a passenger and is conveniently located behind the left passenger peg. Simply turn the knob in either direction to set the spring pre-load so you can tune your suspension to match your riding style. A pair of progressive-rate coil springs and purpose-designed mono-tube dampers provide superior suspension performance. Dampers feature a nitrogen charge that eliminates internal oil cavitation and helps create a consistent ride while resisting heat-induced fade.


  • Heavy Duty shocks are recommended for bikes operated at or near the OEM maximum load rating over 50% of the time
  • Shocks feature a show chrome cover
  • Made in the USA
  • Sold in pairs

Note: Before you 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.


4 / 5
Bang For The Buck
5 / 5
This Product Fits:
Harley Davidson
Softail Blackline FXS 2011, 2012, 2013
Softail Breakout FXSB 2013, 2014, 2015, 2016, 2017
Softail Cross Bones Springer FLSTSB 2008, 2009, 2010, 2011
Softail Custom FXSTC/I 2007, 2008, 2009, 2010
Softail Custom/Nostalgia/Special/Deluxe FLSTN/I 20052017
Softail Deuce FXSTD/I 20002007
Softail Fat Boy FLSTF/I 20002017
Softail Fat Boy Lo FLSTFB 20092016
Softail Fat Boy S FLSTFBS 2016, 2017
Softail Heritage Classic FLSTC/I 20002017
Softail Heritage FLST/I 2006
Softail Heritage Springer FLSTS/I 2000, 2001, 2002, 2003
Softail Night Train FXSTB/I 20002009
Softail Slim FLS 20122017
Softail Slim S FLSS 2016, 2017
Softail Springer Classic FLSTSC/I 2005, 2006, 2007
Softail Springer FXSTS/I 20002006
Softail Standard FXST/I 20002012
Product Style RevZilla Item # Manufacturer Product # Availability
Standard / Chrome 1036550 422-4104C Only 3 Left: Ships within 24 hours
Heavy Duty / Chrome 899817 422-4102C In Stock: Ships within 24 hours


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4.0 / 5.0
1 Review
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Bang For The Buck
5.0 / 5
Bang For The Buck
5 / 5
Progressive 442 are excellent. From OEM, Air to the 442
At first I ordered the 'heavy duty' series because that's all that was available. After putting the shocks on I realized very quickly that they were way to stiff.. like no give at all and needed to have the springs replaced with standards. This was completed by Progressive and the shocks are perfect now.

Let's start the overall review with, I'm 5'11, 185 and don't ride 2 up. Bike is a Harley Softail Slim

Over the past year I've run the bike with the original shocks, a 'Shotgun Shock' and now running on the 442 standard spring. When I was looking for something softer than the OEM shocks I had to give the air ride system of the 'Shotgun Shock' a try. Though this has an incredible ride the slow air leak of 2 units (I had the first one replaced but ran into the same issue) caused concern and I moved to the 442's.

I ended up running into two real issues with the 'Shotgun Shock'. The main being the slow leak of air which would cause the shock to soften and then bottom out while riding. It would take a few hours before this became real noticeable while riding as well as each morning I would be required to readjust the shock because of the leak. At first I was living with this, after all the air ride is amazing and the look of the bike 'slammed' when parked was sweet. This brings me to the second issue, the slowing failing switches. On a 1600 mile trip I started having what seemed to be a short in the switches. This meant I had to hit the switch a few times before the compressor would engage. Considering the shock was leaking and the possibility of not being able to raise the shock was real, I just couldn't continue using the product. This is when I moved to the 442s.

While waiting for the springs in my 442s to be swapped I decided to go back to the OEM shocks. These aren't bad but my rear would get tired quickly. Once I received the newly springed shocks I put them on (pretty easy) and once I started riding I found I got twice the ride time before getting tired when comparing the OEMs. As for the difference in the 442s and the air ride, well I would say the air ride allowed for 3 times the ride before getting tired with the OEMs.

The 442s are excellent and at half the cost of the air ride unit and no worries it's perfect. Sure it's not riding on a cloud but it's far better than stock and without any more worries, I can focus on the ride.

If you're not sure about these shocks you shouldn't be, get them, your rear will thank you.
November 24, 2014
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Have a functionality, fit, or otherwise product-specific question about the Progressive 422 Shocks W/ RAP For Harley Softail 2000-2017? Ask it here! If you have a customer service or shipping question, please direct it to our Customer Service department.

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Browse 8 questions Browse 8 questions and 4 answers
Why did you choose this?
RevZilla Store
Great reviews
Warren A on Jul 3, 2016
Same as above
Phil L on Jan 11, 2016
Great reviews
Warren A on Jul 3, 2016
Replace oem
Javier on May 9, 2016
Same as above
Phil L on Jan 11, 2016
Smoother than stock and less worry than an air ride system. I've had them both and the 442s have been the best all around shock for my Softail.
Eric R on Nov 25, 2014
Replace oem
Javier on May 9, 2016
Smoother than stock and less worry than an air ride system. I've had them both and the 442s have been the best all around shock for my Softail.
Eric R on Nov 25, 2014
What is the max weight cap. for these shocks?
A shopper on Mar 26, 2016
Is the outside diameter of the shock body the same as OEM?
Albert on Jun 7, 2016
Does it adjust both shocks ? RAP ADJUSTMENT
A C on Jun 18, 2017
hi i am looking into the progressive 422 shocks with rap for my 07 softtail standard i am 6 ft 1 220 pounds and i ride double at least half of the time i average 12000 miles a year?
A C on Jun 25, 2017