ACT Twin Disc Heavy Duty Race Clutch Kit | Ford Mustang 5.0L (11-16) (T1R-F05)Twin Disc HD Race Clutch Kit by ACT T1R F05 twin disc kit offers twice the number of disc surfaces for better wear, heat capacity and long life compared to single disc kits. These kits use a proprietary Positive Lift Floater System design, which results in quiet operation with no floater rattle and no posts to wear. ACT twin disc kits endure an exclusive four stage, heat treating process performed on all diaphragms. The ACT twin disc features the