Progressive Suspension has focused exclusively on American V-twin suspension since 1982, and its Monotube fork cartridges and 400/970/970G shock series are among the most common upgrades on baggers and Softails. For most riders the stock rear shock is the single worst part on the bike — this is the fix.
Progressive 412 Series heavy-duty shocks with a black finish deliver smooth, consistent damping through a nitrogen-charged, multi-stage velocity-sensitive design in a durable double-wall steel body. These shocks are built for riders who frequently carry passengers or heavy loads, demanding extra control and stability from their Harley-Davidson.
For the V-twin owner who pushes their bike harder or loads it up for long hauls, these Progressive 412 Series shocks are an essential upgrade. The heavy-duty progressive rate springs and advanced damping system work in harmony to prevent bottoming out and provide a more planted feel, transforming your ride quality. The sleek black finish also adds a touch of custom style to your bike.
These Progressive 412 shocks offer both a performance boost and a visual upgrade for your Harley-Davidson. The ability to quickly adjust preload means you can optimize your suspension for various riding scenarios, from solo canyon carving to fully loaded cross-country tours. Experience a new level of confidence and comfort with these purpose-built V-twin shocks.
Can I adjust the preload myself?
Yes. The 5-position cam-style adjuster lets you change the preload without tools, making it easy to fine-tune your ride for different loads or conditions.
Are these shocks suitable for two-up riding or heavy luggage?
Absolutely. This specific model features heavy-duty progressive rate springs, designed to provide optimal support and control when carrying passengers or substantial luggage.
Will these shocks fit my Harley-Davidson model?
Progressive 412 Series shocks are available for many Harley-Davidson models. Please verify specific year and model compatibility using our 'Shop by Bike' tool before ordering, as the 412 is offered in multiple applications.
| BRAND | Progressive |
| TYPE | Shocks and Struts |
| SKU | T14-614006 |
| WEIGHT | 10.7 lb |
I bought these for my '06 FLHR and could not be happier. I'm 6' 275 lbs so I went with the heavy duty option. Took about 30 min. to change shocks and the ride has improved considerably, took the jolt out of hitting heaves in the road.
While removing the rear wheel for some other service they just quite literally fell apart in two pieces leaving me with a garage floor full of suspension oil and one unusable shock. Spoke with their warranty rep who told me in so many words that its not their problem. Dissapointed to say the least.
So far loving these, the ride is much smoother and an awesome look. Going for the 12" was a good choice, raised it but not too much.
Just changed from my stock Harley to the 13-in and what a difference it made. Bike handles better and rides better
