FOX QS3-QSR Shock - 13" Shock FLT REM Resi Fully ADJ — Harley-Davidson Road King, Electra Glide Ultra Classic, Electra Glide Classic (1993-2025)

FOX QS3-QSR is a fully adjustable 13-inch monotube shock for V-twin motorcycles, featuring quick-switch compression and rebound adjustments plus a remote aluminum reservoir. Gas-charged design with internal floating piston delivers model-specific tuning optimized for Harley-Davidson and Indian Motorcycle riders.

Features

• QS3 3-position quick-switch compression and rebound adjust
• Remote aluminum reservoir with hard lines
• Gas-charged monotube with internal floating piston (IFP)
• 1.5" 6061-T6 aluminum hard-anodized body
• 5/8" low-friction chrome shaft
• Advanced speed-sensitive damping
• Spring preload with plastic wrench included
• Fender mount hardware included
• Fully rebuildable and re-valvable

Specifications

• Brand: FOX
• Manufacturer Part #: 897-27-310
• UPC: 711745593084
• Length: 13 in
• Body Material: 6061-T6 aluminum, Type III hard anodized
• Shaft: 5/8" hard chrome
• Reservoir Type: Remote aluminum
• Weight: 15 lbs

Fitment

Fits V-twin motorcycles including Harley-Davidson and Indian Motorcycle models. Verify specific year and model compatibility before ordering.

Frequently Asked Questions

What is QS3 adjustment?

Three-position quick-switch knobs let you dial compression and rebound on the fly without tools — adjust while parked or riding.

Do I need to send this in for service?

No — FOX shocks are fully rebuildable and re-valvable. Any qualified suspension shop can service it, or send it to FOX directly.

What's included in the box?

The shock, remote reservoir with hard lines, fender mount hardware, plastic preload wrench, and adjustment guide.

Can I adjust spring preload?

Yes — spring preload adjusts with the included plastic wrench. FOX includes guide marks to help you dial in the right setting.

Is this street-legal?

Yes — as a replacement shock meeting V-twin motorcycle specs, it's street-legal when installed on compatible models.