The GPM SLAM040RS rear driveshafts use 4140 carbon steel with a hardened black finish to deliver improved wear resistance and dependable power transfer on the Traxxas Mini Slash 4X4. The constant velocity configuration maintains wider steering geometry and consistent driveline motion, while thicker 3.0mm drive pins increase torque resilience for demanding brushless applications. Components arrive pre-assembled; apply medium-strength screw glue to finalise assembly and reduce fastener movement.