Fits 444 and 944 series Progressive Suspension shocks. No more need to remove the saddlebags for access to preload adjustments. Just replace the stock upper shock caps with this QPS (Quick Preload System) cap kit. The QPS caps allow adjustment with a 8mm socket on the top of the shock within a minute. A perfectly tuned bike every time; from solo riding to carrying the extra load of a passenger and/or gear and back to the solo set-up; within a minute. - Compatible with all 444 and 944 Series shocks with Standard; Heavy Duty; and Super Duty spring rates - Sealed gear driven preload adjuster with 17mm of adjustment - Make quick preload adjustments without removing saddlebags - Replaces original 444/944 Series upper shock cap - 30 complete turns of preload fine adjustment - Adjusts with 8mm socket wrench (not included) - Improves comfort and performance- Black Anodized finish