This is the optional Aluminum Motor Mount Plate for the Traxxas Slash 4x4.
6061-T6 aluminum construction
Anodized blue in color
One motor mount assembled with a 3x6mm flat head machine screw
One 3mm locknut
Fastening to chassis and installing motor components and driveshaft
Length: 56mm (2.2")
Width: 50mm (1.97") at widest point