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Progressive 990 Sport Series Piggyback Reservoir Shocks

(1 review)

Item: 388179

$1034.17 – $1413.26

Select Your Vehicle - Fitment Guaranteed

Progressive 990 Sport Series Piggyback Reservoir Shocks


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 Varies (make selection above)
Position Rear
Quantity 2
Ride Height Varies (make selection above)
Spring Rate Standard
Stock Length Varies (make selection above)
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 1995-2005, 2007-2010
  • FXDB Dyna Daytona 1992
  • FXDB Dyna Street Bob 2007-2017
  • FXDB Dyna Sturgis 1991
  • FXDBI Dyna Street Bob 2006
  • FXDC Dyna Glide Custom 1992
  • FXDC Dyna Super Glide Custom 2005, 2007-2014
  • FXDCI Dyna Super Glide Custom 2005-2006
  • FXDF Dyna Fat Bob 2008-2017
  • FXDI Dyna Super Glide 2004-2006
  • FXDI35 35th Anniversary Dyna Super Glide 2006
  • FXDL Dyna Low Rider 1993-2005, 2007-2009, 2014-2017
  • FXDLI Dyna Low Rider 2004-2006
  • FXDLS Dyna Low Rider S 2016-2017
  • FXDS-CONV Dyna Convertible 1994-2000
  • FXDWG Dyna Wide Glide 1993-2005, 2007-2008, 2010-2017
  • FXDWGI Dyna Wide Glide 2004-2006
  • FXDX Dyna Super Glide Sport 1999-2005
  • FXDXI Dyna Super Glide Sport 2004-2005
  • FXDXT Dyna Super Glide T-Sport 2001-2003
  • FXR Super Glide 1986-1994
  • FXR Super Glide II 1982-1983
  • FXRS Low Glide 1982-1992
  • FXRS Super Glide II 1982-1983
  • FXRS-CONV Low Rider Convertible 1989-1993
  • FXRS-SP Low Rider Sport Edition 1987-1993
  • FXRT Sport Glide 1983-1992
  • XL1200C Sportster 1200 Custom 1996-2019
  • XL1200CX Sportster Roadster 2016-2020
  • XL1200L Sportster 1200 Low 2006-2011
  • XL1200N Sportster 1200 Nightster 2007-2012
  • XL1200NS Sportster 1200 Iron 2018-2021
  • XL1200R Sportster 1200 Roadster 2004-2008
  • XL1200V Sportster Seventy-Two 2012-2016
  • XL1200X Sportster Forty-Eight 2010-2022
  • XL1200XS Sportster Forty-Eight Special 2018-2019
  • XL50 50th Anniversary Sportster 2007
  • XL883 Sportster 883 2004-2009
  • XL883C Sportster 883 Custom 1998-2010
  • XL883L Sportster 883 Low 2005-2010
  • XL883L Sportster SuperLow 2011-2019
  • XL883N Sportster Iron 883 2009-2022
  • XL883R Sportster 883R 2006-2010
  • XL883R Sportster Roadster 2011-2015
  • XLH1200 Sportster 1200 1988-2003
  • XLH883 Sportster 883 1988-2003
  • XLH883DLX Sportster 883 Deluxe 1988-1995
  • XLH883HUG Sportster 883 Hugger 1988-2003
Triumph
  • Bonneville SE 2001-2013
  • Bonneville T100 2002-2016

Customer Reviews

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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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