Progressive 412 Shocks For Harley Touring 2006-2025
🏍️ Best Value Upgrade: Progressive 412 Shocks for Harley Touring (2006–2025)
The Progressive Suspension 412 Series Shocks remain one of the most popular and cost-effective upgrades for the rear suspension of Harley-Davidson Touring models (FLH/FLT) across the later Twin Cam (2006–2016) and current Milwaukee-Eight (M8) chassis (2017–2025).
These shocks offer a significant improvement in damping control, handling, and ride quality over the stock air-adjustable or basic OEM units, all at an affordable price point and available in various lengths to achieve a custom stance.
🔑 Key Features of the 412 Series
Improved Damping: Features a double-wall steel body with nitrogen gas charging and multi-staged, velocity-sensitive valving. This provides smoother, more consistent damping that noticeably reduces the “wallow” and harshness common with stock shocks.
Adjustable Preload: Equipped with a 5-position cam-style preload adjuster (spanner wrench included). This allows the rider to quickly and easily dial in spring stiffness to compensate for load (solo, two-up, luggage).
Progressive Rate Springs: Utilizes progressively wound springs, which are available in two primary options:
Standard Duty: Recommended for most average-weight riders (typically under 250 lbs total loaded weight).
Heavy Duty: Recommended for bikes operated at or near the maximum load rating over 50% of the time (e.g., frequent two-up riding, heavier riders/baggers).
Finishes: Available in popular finishes like Chrome or Black bodies and springs.
Fitment Range (2006–2025)
The Progressive 412 Series is a direct bolt-on replacement for most Harley Touring models in this extensive range, including:
Street Glide (FLHX)
Road Glide (FLTR)
Road King (FLHR)
Electra Glide (FLHT)
Ultra Limited (FLHTK)
The Progressive 412 Shocks are a reliable, customizable, and affordable way to significantly enhance the suspension feel of your Twin Cam or Milwaukee-Eight Touring motorcycle.
Progressive Suspension 412 Shocks For Harley Touring
The 412 Series shocks are simply the best value shock on the market. The have a simple, durable design which means they will be an improvement to your motorcycle’s suspension performance for as long as you are riding. They feature a doublewall steel body construction with nitrogen charged, multi-staged velocity sensitive valving resulting in smooth, consistent damping. A cam style preload adjuster lets you dial in your ride whether you’re a light or heavy rider.
Features:
5-position cam style preload adjuster
High Pressure Nitrogen-charged for consistent damping performance
Standard or Heavy-Duty (250+ lbs) progressive rate springs
Available in chrome or black
Backed by a one-year limited warranty
Sold as a pair
Made in USA
| Product Style | AmericanV-twin Item # | Catalog Number | Store Sku | MFR. Product # | Availability |
|---|---|---|---|---|---|
| Standard 11 1/2″ / Chrome | 899648 | 700-651 | 299432 | 412-4074C | In Stock: Ships within 24 hours |
| Standard 11 1/2″ / Black | 899649 | 700-652 | 412-4074B | In Stock: Ships within 24 hours | |
| Standard 12″ / Chrome | 899650 | 700-662 | 299436 | 412-4079C | In Stock: Ships within 24 hours |
| Standard 12″ / Black | 899651 | 700-661 | 299435 | 412-4079B | In Stock: Ships within 24 hours |
| Standard 12 1/2″ / Chrome | 899652 | 700-646 | 412-4071C | In Stock: Ships within 24 hours | |
| Standard 12 1/2″ / Black | 899653 | 700-645 | 412-4071B | In Stock: Ships within 24 hours | |
| Standard 13″ / Chrome | 899654 | 700-648 | 412-4072C | In Stock: Ships within 24 hours | |
| Standard 13″ / Black | 899655 | 700-647 | 412-4072B | In Stock: Ships within 24 hours | |
| Standard 13 1/2″ / Black | 899832 | 700-649 | 412-4073B | In Stock: Ships within 24 hours | |
| Standard 13 1/2″ / Chrome | 899833 | 700-650 | 412-4073C | Only 3 Left: Ships within 24 hours | |
| Heavy Duty 11 1/2″ / Chrome | 899656 | 700-654 | 412-4075C | In Stock: Ships within 24 hours | |
| Black / Heavy Duty 11 1/2″ | 899657 | 700-653 | 299431 | 412-4075B | In Stock: Ships within 24 hours |
| Heavy Duty 12″ / Chrome | 899658 | 700-664 | 412-4080C | In Stock: Ships within 24 hours | |
| Black / Heavy Duty 12″ | 899659 | 700-663 | 299433 | 412-4080B | In Stock: Ships within 24 hours |
| Heavy Duty 12 1/2″ / Chrome | 899660 | 700-656 | 412-4076C | In Stock: Ships within 24 hours | |
| Black / Heavy Duty 12 1/2″ | 899661 | 700-655 | 412-4076B | In Stock: Ships within 24 hours | |
| Heavy Duty 13″ / Chrome | 899662 | 700-658 | 412-4077C | In Stock: Ships within 24 hours | |
| Black / Heavy Duty 13″ | 899663 | 700-657 | 299439 | 412-4077B | In Stock: Ships within 24 hours |
| Black / Heavy Duty 13 1/2″ | 899834 | 700-659 | 412-4078B | In Stock: Ships within 24 hours | |
| Heavy Duty 13 1/2″ / Chrome | 899835 | 700-660 | 412-4078C | In Stock: Ships within 24 hours |
This Product Fits
Harley Davidson
Electra Glide Classic FLHTC/I 2006-2013
Electra Glide Standard FLHT 2019, 2020, 2021, 2022
Electra Glide Standard FLHT/I 2006, 2007, 2008, 2009
Electra Glide Ultra Classic FLHTCU/I 2006-2019
Electra Glide Ultra Classic Low FLHTCUL 2015, 2016
Electra Glide Ultra Limited FLHTK 2010-2024
Electra Glide Ultra Limited Low FLHTKL 2015, 2016, 2017, 2018, 2019
Road Glide Custom FLTRX 2010, 2011, 2012, 2013
Road Glide FLTR/I 2006, 2007, 2008, 2009
Road Glide FLTRX 2015-2023
Road Glide Limited FLTRK 2020, 2021, 2022, 2023, 2024
Road Glide Special FLTRXS 2015-2023
Road Glide ST FLTRXST 2022, 2023
Road Glide Ultra FLTRU 2011-2019
Road King Classic FLHRC/I 2006-2013
Road King Custom FLHRS/I 2006, 2007
Road King FLHR/I 2006-2022
Road King Special FLHRXS 2017-2025
Street Glide FLHX/I 2006-2023
Street Glide Special FLHXS 2014-2023
Street Glide ST FLHXST 2022, 2023
