Traxxas 1/10 Slash 4x4 Ultimate SPUR GEAR SLIPPER CLUTCH PINIONS MOTOR MOUNT Spur Gear &amp; Slipper Clutch Assembly (Part # 6878 Partial) With Blue Aluminum Bearing Adaptor (Part # 6893X) Steel Disc, Friction Pads Spring, Pin &amp; Lock Nut (Part # 5552X) Aluminum Alloy Pressure Plate &amp; Hub (Part # 5556) Input Slipper Shaft and Bearing Adapter (Part # 6893) 54 Tooth Spur Gear (Part # 3956) 13 Tooth Pinion Gear, 32P with Set Screw (Part # 3943) 19 Tooth Pinion Gear, 32P with Set Screw (Part # 3949) Motor Mount Assembly for the Low Center of Grav Includes: Complete Slipper Clutch (Part # 6878) Aluminum Bearing Adapter, 10x15x4 Bearing (Part # 6893X) Motor Plate (Part # 7490) Motor Mount (Part # 7460) Gear Cover/Wire Retainer (Part # 7477) Pinion Gear w/Set Screw - 32P 19T (Part # 3949) Pinion Gear w/Set Screw - 32P 13T (Part # 3943) Part number(s) included (in factory packaging): 6878 6893X 7490 7460 7477 3949 3943