GPM Racing HPI Savage Bi-Directional 7075 3 Spring Shoes HSAV1215X

7075 aluminum Bi-directional clutch design for smooth maximum surface engagement (engagement surface area more then 2, 3 or 4 shoe clutch on the market), using a 3 oval spring design allow high power transfer. Comes with 2 shoes and 3 spring. for use with SAV1100XH (stock shoes), MP751100XH(stock shoes. , LST1100XH.