The Progressive Suspension Quik Preload System (QPS) Upgrade Kit makes adjusting the preload on PS 444 Series and 944 Series shocks easier than ever before. With the QPS Upgrade Kit installed on 444 Series and 944 Series shocks, it's no longer necessary...

Easily tune your front suspension to suit your weight and riding style. Designed to fit stock, Progressive stock height, and Burly lowered spring kits; not recommended for use with drop-in style lowering kits.This Part...

Easily tune your front suspension to suit your weight and riding style. Designed to fit stock, Progressive stock height, and Burly lowered spring kits; not recommended for use with drop-in style lowering kits.This Part...

Add the Progressive Suspension fork preload adjuster to stiffen up the front fork for aggressive riding in the canyons, or decrease the preload to soften the suspension for a day of comfortable cruising. The ability to change preload settings also...