Fits stock Sportster clutch baskets 1991-2019 The Ball Bearing Lockup Clutch pressure plate will handle all stock applications Just released this, "Patented" BALL BEARING LOCK UP CLUTCH design significantly lightens clutch pull at the lever while providing slip free lock up Each unit incorporates a designated number of steel ball bearings set in a model specific diaphragm assembly. Replacing the factory pressure plate, springs and hub kit includes 5 clutch plates, 5 drive plates and 1 backing plate