progressive suspension logowhite

Progressive Suspension 990 Series Piggyback Shocks

Price range: $1,455.00 through $1,672.28

The Progressive Suspension 990 Series Piggyback Shocks feature easily accessible adjustment knobs for high-speed and low-speed compression damping

  • Easily accessible adjustment knobs for high-speed and low-speed compression damping
  • 0.4” adjustable height eyelet
  • High-pressure gas monotube
  • Captured designed jounce bumper for smooth and controlled bottoming
  • Piggybacking reservoir
  • Deflective disc damping
  • Aluminum body
  • Linear rate coil spring
  • All shocks are measured center-of-eyelet to center-of-eyelet.
  • A shock which is slightly longer than stock may alter the head angle slightly and provide somewhat quicker steering.
  • A shock which is slightly shorter than stock may alter the head angle slightly and provide somewhat slower steering.
  • Before purchasing or attempting to 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.

Part Style

Manufacturer #

Drag Specialities #

'06-'17 FXD/FXWG | 12.5"
Part:Style:
'06-'17 FXD/FXWG | 12.5"
990-1001
Manufacturer #:
990-1001
1310-1869
Drag Specialities #:
1310-1869
'06-'17 FXD/FXWG | 13.5"
Part:Style:
'06-'17 FXD/FXWG | 13.5"
990-1002
Manufacturer #:
990-1002
1310-1870
Drag Specialities #:
1310-1870
'99-'05 FXD/FXDWG | 12.5"
Part:Style:
'99-'05 FXD/FXDWG | 12.5"
990-1010
Manufacturer #:
990-1010
1310-1871
Drag Specialities #:
1310-1871
'99-'05 FXD/FXDWG | 13.5"
Part:Style:
'99-'05 FXD/FXDWG | 13.5"
990-1011
Manufacturer #:
990-1011
1310-1872
Drag Specialities #:
1310-1872
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