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Progressive 990 Series Standard Duty Piggyback Shocks 13.5"

(1 review)

Item: 388179-20179872

$1499.95

Select Your Vehicle - Fitment Guaranteed

Progressive 990 Series Standard Duty Piggyback Shocks 13.5"


The most adjustable shock in the V-Twin market, the 990 Sport series shock features complete adjustability with a 0.4" adjustable height eyelet, rebound damping adjustment, High and Low Speed compression damping adjustment via easily accessible knobs, and threaded hand adjustable spring preload. The 990 features a high-pressure monotube with deflective disc damping routed through two unique circuits delivering a consistent feel through the damper stroke for improved performance and stability. Progressive's improved engineered jounce bumper features a captured design to help smooth and control bottoming. Every shock is hand-built, tuned and dyno tested for the ultimate performance that's backed by a limited lifetime warranty. Engineered for aggressive sport inspired riders, the 990 sets the mark for excellence on your V-Twin motorcycle.

  • Integrated shock reservoir
  • Adjustable height eyelet: 0.4"
  • Adjustable rebound damping
  • Hand-adjustable preload
  • Adjustable high and low speed compression
  • High pressure gas monotube
  • Deflective disc damping
  • Lightweight aluminum body
  • Linear rate coil spring
  • Captured jounce bumper
  • Sold in pairs
  • Lifetime manufacturer warranty
Specification Details
Color Black
Country of Origin USA
Length 13.5 in.
Quantity 2
Warranty Lifetime Manufacturer Warranty

Vehicle Fitment


Fitment is guaranteed or your money back plus free return shipping.
Don’t waste time installing a product that doesn't fit. We worked hard ensuring that this product is an exact fit on the vehicles listed below.

Harley Davidson
  • FXD Dyna Super Glide 2007-2010
  • FXDB Dyna Street Bob 2007-2017
  • FXDBI Dyna Street Bob 2006
  • FXDC Dyna Super Glide Custom 2007-2014
  • FXDCI Dyna Super Glide Custom 2006
  • FXDF Dyna Fat Bob 2008-2017
  • FXDI Dyna Super Glide 2006
  • FXDI35 35th Anniversary Dyna Super Glide 2006
  • FXDL Dyna Low Rider 2007-2009, 2014-2017
  • FXDLI Dyna Low Rider 2006
  • FXDLS Dyna Low Rider S 2016-2017
  • FXDWG Dyna Wide Glide 2007-2008
  • FXDWGI Dyna Wide Glide 2006

Customer Reviews


Great product

By   on  Verified Purchaser

Best shock on the market hands down. Super versatile! I would recommend this to anyone looking for more out of your suspension.


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Questions & Answers


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