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  See all Suspension products
Progressive 422 Series Premium Standard Shocks w/ RAP Harley-Davidson FLST | FXST 1989-1999 - 422-4103C
422 Series Shocks, suspension system for the venerable Softail style chassis is exclusively available as an adjustable ride height version. Progressive Suspension was the first to introduce aftermarket shocks for the most popular frame design ever produced and we continue to refine our work. Two inches of ride height adjustment as well as adjustable for spring preload to accommodate varying loads and rider weights, all wrapped in a chrome shroud and now available in a HEAVY DUTY version for two-up or heavily loaded bikes!

RAP (Remote Adjustable Preload) combines high performance shocks with a remote preload adjuster. The Softail shocks are hidden under the frame which makes common adjustments difficult. Conveniently located behind the left passenger peg, the RAP system allows for easy turning of the shocks to account for changing loads or the addition of a passenger.

Pair of steel bodied, monotube dampers wrapped with a black powder-coated, progressive rate steel coil spring.

Features:
  • Length: Adjustable from stock to 2" lower
  • Finish: Show Chrome
  • Fit: Softail 1989-2017
  • Standard and Heavy Duty
  • Preload adjustable
  • High pressure gas charged monotube for consistent damping performance
  • 1 Year Warranty
Fitment:
  • Harley-Davidson FLST Heritage Softail 1989-1999
  • Harley-Davidson FLSTC Heritage Softail Classic 1989-1999
  • Harley-Davidson FLSTF Fat Boy 1989-1999
  • Harley-Davidson FLSTN Heritage Softail Special 1989-1999
  • Harley-Davidson FLSTS Heritage Softail Springer 1989-1999
  • Harley-Davidson FXST Softail 1989-1999
  • Harley-Davidson FXST Softail Standard 1989-1999
  • Harley-Davidson FXSTB Night Train 1989-1999
  • Harley-Davidson FXSTC Softail Custom 1989-1999
  • Harley-Davidson FXSTS Springer Softail 1989-1999
  • Harley-Davidson FXSTSB Bad Boy 1989-1999

Other Part Numbers:
Progressive Suspension #pgr422-4103C

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

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