What is included with these Progressive 412 Series shocks?

This product includes a pair of 12.0-inch Progressive 412 Series shocks in a chrome finish. The package contains the shocks themselves, ready for installation.

How do I adjust the preload on these shocks?

The shocks feature a 5-position cam-style preload adjuster. You can rotate this cam to change the spring tension, allowing you to fine-tune the ride stiffness for your specific needs.

What is the benefit of nitrogen gas charging?

Nitrogen gas charging helps maintain consistent damping performance by preventing oil aeration. This means the shocks will perform reliably and smoothly, even when they get hot during use.

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Specifications

Brand: Progressive
Part #: 412-4046C
UPC: 412-4046C

Progressive Harley 412 Series Shocks 12.0in - Chrome

Name: Progressive Harley 412 Series Shocks 12.0in - Chrome
Brand: Progressive
SKU: progressive-progressive-harley-412-series-shocks-12-0in-chrome-t14-614014
Price: 454.95 USD
Availability: BackOrder

$454.95

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Progressive Harley 412 Series Shocks 12.0in - Chrome. Improves suspension performance with durable construction and adjustable preload.

Key Features

Fits 1995-2017 Harley-Davidson Dyna models.
Features a 12.0-inch overall length with a chrome finish.
Doublewall steel body construction offers solid durability.
Nitrogen gas charged for consistent damping performance.
Multistage velocity-sensitive valving adjusts damping based on suspension speed.
Includes a 5-position cam-style preload adjuster for ride tuning.

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About this part

Product Details

This product includes a pair of Progressive 412 Series 12.0-inch shocks in a chrome finish. These shocks are designed to be a direct replacement for many Harley-Davidson Dyna models, offering an improved suspension experience over stock. They feature a doublewall steel body construction for durability and are nitrogen-charged to ensure consistent damping performance, even under demanding conditions.

The 412 Series shocks utilize multistage velocity-sensitive valving, meaning they adjust their damping response based on how quickly the suspension is moving. This helps provide a smoother ride over rough roads and better control during spirited riding. For fine-tuning your ride, a five-position cam-style preload adjuster is included, allowing you to easily dial in the suspension stiffness whether you're carrying a passenger or riding solo. These shocks fit a range of Harley-Davidson Dyna motorcycles, including popular models like the FXD Dyna Super Glide, FXDF Fat Bob, and FXDWG Dyna Wide Glide.