Hi-Temp Clutch Spring KitDeveloped with and recommended to enhance performance of OEM pressure plates as well as Hinson clutch baskets, inner hubs and pressure platesMade out of high-temperature steel to outlast anything else on the marketHighly resistant to losing strength due to high heat from 4-strokesThe correct stiffness to handle high horsepower enginesProvides optimum hook-up with minimum heat build-upMade in the U.S.A.