1991-2017 Harley-Davidson Dyna Fox QS3-QSR Adjustable Rear Shocks 13.5 in Standard Spring

Fox Street Performance QS3-QSR adjustable rear shocks for Harley-Davidson Dyna models. Piggyback reservoirs carry a three-position QS3 compression switch, and the Quick Switch Rebound (QSR) adjusts rebound in three positions — full damping adjustability with no tools.

Sold as a complete pair (left and right rear shocks).

Features

• QS3 three-position compression and QSR three-position rebound adjustment, no tools required
• Piggyback reservoirs with integrated compression adjusters
• Gas-charged monotube with internal floating piston (IFP) keeps nitrogen and oil separated for fade-free damping
• 6061-T6 aluminum body with Type III hard-anodized finish
• Low-friction, super-finished hard chrome shaft
• Advanced high-flow, deflective-disc velocity-sensitive damping
• Fully rebuildable and re-valvable
• Matte black spring with black-anodized preload ring

What's Included

• Two rear shock absorbers (left and right)

Installation Notes

Standard spring — Fox-recommended for total ride load up to approximately 240 lb. Direct bolt-on replacement; no modifications required. If installing a length different from your OEM shocks, verify wheel and suspension travel clearance at the swingarm, fender, belt guard, and exhaust before riding.

Specifications

• Height: 13.5 in
• Spring: Standard