Progressive Suspension Black 440 Series Shock - 120/170 Spring Rate (lbs/in)

  • Part #: 588328
  • Manufacturer Part #: 440-4244B
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588328
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Overview of Progressive Suspension Black 440 Series Shock - 120/170 Spring Rate (lbs/in)

Progressive Suspension is the largest aftermarket motorcycle suspension manufacturer in the United States.
  • These gas-charged shocks automatically adjust to rough or smooth riding conditions using a multi-stage, Inertia Active System (IAS) damping system
  • Designed specifically for cruiser bikes
  • Superior ride and handling from progressively-wound steel spring
  • Preload does not require tools to adjust
  • Durable, double-walled steel construction
  • Shock assemblies sold complete with springs and covers
  • Sold in pairs


    NOTE: Heavy duty shock

    INCLUDED ITEMS:

  • Two shocks with mounted springs
  • Four 1/2 in. shock eye bolt spacers
  • Four 7/16 in. shock eye bolt spacers
  • Four 3/8 in. shock eye bolt spacers
  • Four 3/8 in. flat washers
  • Four 7/16 in. flat washers
  • One instruction sheet


Specs

Specs for Progressive Suspension Black 440 Series Shock - 120/170 Spring Rate (lbs/in)

Fitment for Progressive Suspension Black 440 Series Shock - 120/170 Spring Rate (lbs/in)

Part 588328 fits the following machines

See if this part fits your ride

Triumph
2002 Triumph Bonneville
2001 Triumph Bonneville

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Instructions and Media for Progressive Suspension Black 440 Series Shock - 120/170 Spring Rate (lbs/in)

Instructions - PDF Instructions - PDF Instructional PDF
Video Product Info: Progressive Suspension: 412, 430, 440 Series Shock Comparison Instructional Video 5:33
Video Product Info: Concept To Completion Instructional Video 1:36
Video Product Info: Progressive Shows How To Set Shock Sag Instructional Video 6:4
Video Product Info: Progressive Suspension Video Instructional Video 1:36