PROGRESSIVE SKU: T14-669133

Progressive 412 Shocks — Harley-Davidson

$379.95
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Progressive 412 Series shocks deliver suspension tuning at an accessible price point with a doublewall steel body, nitrogen-charged damping, and a five-position preload adjuster to match any rider weight. Engineered for smooth, consistent performance across Harley-Davidson applications.

Features

  • Doublewall steel construction
  • Nitrogen-charged, multi-stage velocity-sensitive damping
  • 5-position cam-style preload adjuster
  • Progressive-rate springs available in standard or heavy-duty
  • Chrome or black finish options
  • Show Chrome covers available on select models

Specifications

  • Brand: Progressive
  • Manufacturer Part #: 412-4003B
  • Weight: 10 lb
  • Category: Suspension / Shocks and Struts
  • California Prop 65 Warning: Yes — contains materials known to cause cancer and reproductive harm

Fitment

Fits Harley-Davidson models. Verify your specific year and model compatibility before ordering, as suspension fitment varies by chassis generation.

Frequently Asked Questions

Can I adjust the preload on the fly?

Yes — the 5-position cam-style preload adjuster lets you tune ride height and stiffness without tools. Rotate the cam to match your weight and load.

Do these come with Show Chrome covers?

Show Chrome covers are optional on select applications. Check the product listing for your specific model to see if covers are included or available separately.

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

Standard springs suit lighter riders and stock bike weight. Heavy-duty springs provide firmer support for heavier riders or loaded touring.

Will these work on my specific Harley model?

Progressive 412s fit multiple Harley platforms, but fitment varies by year and chassis. Confirm your model year and type before ordering.

California Proposition 65 Warning

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

BRANDProgressive
TYPEShocks and Struts
SKUT14-669133
WEIGHT10.0 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