Progressive 444-4020B PGR 444 Shocks stands-bike-stands 1990-1991 Harley Davidson FLSTC Heritage

1990-1991 Harley Davidson FLSTC Heritage Softail Classic

2016-2020 Polaris Sportsman 1000 XP Hunter Edition

Available in three unique styles and sizes

2001 Polaris Worker 500

2020-2021 Polaris 550 INDY Adventure 144

Progressive 444-4020B PGR 444 Shocks stands-bike-stands 1990-1991 Harley Davidson FLSTC HeritageThe 444 Series Shocks feature a proprietary patented Frequency Sensing Technology (FST) that has the unique ability to dynamically adjust damping as you ride; what this means is whether you're hitting the small or big bumps in the road, the shock distributes oil through ports accordingly to soak up the hit making for an ultimately comfortable ride. A top mount threaded preload adjuster allows for fine tuning with a simple twist of the cap. 444 Series