Progressive 412 Shocks — Harley-Davidson

Progressive 412 shocks deliver smooth, consistent suspension performance with a durable double-wall steel body and multi-stage velocity-sensitive damping. The 5-position cam-style preload adjuster lets you dial in your ride for any weight or load, making them a solid upgrade for Harley riders seeking reliable suspension without complexity.

Features

• Double-wall steel damper body
• Multi-stage velocity-sensitive damping
• High-pressure nitrogen gas charged
• 5-position cam-style preload adjuster
• Progressive rate springs (standard or heavy-duty options)
• Available in chrome or black finish
• Optional show chrome covers on select models

Specifications

• Brand: Progressive
• Manufacturer Part #: 412-4018C
• Category: Suspension / Shocks and Struts
• Weight: 11.3 lb
• WARNING: Cancer and Reproductive Harm — California Prop 65. www.P65Warnings.ca.gov

Fitment

Fits Harley-Davidson motorcycles. Check your specific model and year before ordering to confirm compatibility.

Frequently Asked Questions

Can I adjust the preload myself?

Yes. The 5-position cam-style preload adjuster is tool-free — turn it to dial in your preferred ride stiffness for your weight and riding style.

Do these come with chrome covers?

The base 412 shocks come without covers. Optional show chrome covers are available on select applications — check compatibility with your model.

What spring options are available?

You can choose standard or heavy-duty progressive rate springs in either chrome or black finish to match your bike.

Will these improve my ride quality?

The multi-stage damping and nitrogen charging provide smoother, more consistent suspension feel compared to stock Harley shocks over time.

California Proposition 65 Warning

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