Hot Racing Arrma 6S Aluminum Front/Rear Suspension Arm Mount (Black)This is a Hot Racing Arrma 1 8 Aluminum Front Rear Suspension Arm Mount, intended for use with the REAR LOWER suspension of Arrma 1 7 On Road, and with 1 8 4X4 vehicles. Features: Eliminates the need for stock plastic hinge pin mount Secure M4 set screw to maintain hinge pin position under the most severe conditions CNC machined 6061 aluminum construction Compatible With: InFraction ARA109001 Kraton: AR106005, AR106015, AR106018, AR106029 31 (red