Evolution Industries EVO-1006-4699 Clutch Basket for Sportster 04-21We Machine Our Sportster Billet Clutch Baskets from aircraft grade aluminum. This provides the needed strength for high horsepower applications, and still remains over a half of a pound lighter than Original Equipment. For superior wear resistance we coat our billet clutch baskets with Mil Spec Hard Anodize. Our baskets spin more true than original equipment. This improves throttle response and reduces drivetrain wear. We also designed a replaceable