Progressive 412 Series shocks deliver smooth, consistent damping through nitrogen-charged, multi-stage velocity-sensitive valving in a durable double-wall steel body. A five-position cam-style preload adjuster lets you dial in support for any rider weight, making these a practical upgrade for Harley suspension without breaking the bank.
Features
- Double-wall steel damper body
- High-pressure nitrogen gas charging
- Multi-stage velocity-sensitive damping
- 5-position cam-style preload adjuster
- Standard or Heavy-Duty progressive rate springs
- Available in chrome or black finish
- Optional show chrome covers on select models
Specifications
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Brand: Progressive
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Manufacturer Part #: 412-4019B
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Category: Suspension / Shocks and Struts
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Weight: 9.5 lb
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WARNING: Cancer and Reproductive Harm — California Prop 65. www.P65Warnings.ca.gov
Fitment
Fits Harley-Davidson models. Check your specific year and model before ordering to confirm correct application.
Frequently Asked Questions
Can I adjust the preload on these shocks?
Yes — the 5-position cam-style preload adjuster lets you fine-tune support whether you're a light or heavy rider.
What makes these shocks smoother than stock?
High-pressure nitrogen gas and multi-stage velocity-sensitive damping keep damping consistent across all riding conditions and bump speeds.
Do these shocks come with chrome covers?
Chrome covers are optional on select applications. Standard shocks have a black finish; check your specific model for availability.
How much do these weigh?
Each shock weighs 9.5 lb, making them a direct bolt-on replacement for most Harley models.
California Proposition 65 Warning
WARNING: Cancer and Reproductive Harm — California Prop 65 (Y). www.P65Warnings.ca.gov