PROGRESSIVE SKU: T14-669136

Progressive 412 Shocks — Harley-Davidson

$379.95
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Progressive 412 Series shocks deliver smooth, consistent damping with a durable double-wall steel body and nitrogen-charged, velocity-sensitive valving. The five-position cam preload adjuster lets you customize ride height and firmness for solo or two-up riding without tools.

Features

  • Double-wall steel damper construction
  • High-pressure nitrogen gas charged
  • Multi-stage velocity-sensitive damping
  • 5-position cam-style preload adjuster
  • Available in standard or heavy-duty progressive springs
  • Chrome or black finish options

Specifications

  • Brand: Progressive
  • Manufacturer Part #: 412-4006C
  • Category: Suspension / Shocks and Struts
  • Weight: 9.9 lb
  • California Prop 65 Warning: Yes — see www.P65Warnings.ca.gov

Fitment

Fits Harley-Davidson models. Check your specific year and model for application availability.

Frequently Asked Questions

Can I adjust the preload without special tools?

Yes — the 5-position cam adjuster requires no tools. Turn it by hand to dial in your preferred ride height and stiffness.

What's the difference between standard and heavy-duty springs?

Heavy-duty springs handle heavier riders and two-up loads better. Standard springs work well for lighter solo riders.

Do these come with chrome covers?

Chrome Show covers are optional and available on select applications. Check fitment details for your model.

How does nitrogen charging improve performance?

High-pressure nitrogen keeps damping consistent across temperature changes and prevents foaming in the hydraulic fluid during hard riding.

California Proposition 65 Warning

WARNING: Cancer and Reproductive Harm — California Prop 65 (Y). www.P65Warnings.ca.gov

BRANDProgressive
TYPEShocks and Struts
SKUT14-669136
WEIGHT9.9 lb
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
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✓ VERIFIED
Dec 25, 2025

Stiff

The shocks seem super nice, but they are incredibly stiff. Turns out they’re 130/200 top to bottom. Would be nice to have an option to choose your spring rate. Couldn’t find it in the description either. Have them installed on a 1998 sportster 1200 by the way. I’m about 180lbs and they don’t move at all, my friend who weighs about 260 also said they were way to firm. Hope this helps.

— Willie M