This is a differential Rear Lock kit for the HoBao GTB/GT cars.
We recommend this kit ONLY for people with experience in RCS, this is not for beginners.
You can use this kit with your HoBao factory rear dog bones 97 mm length or with our EMP Drag Race reinforced Dog bones.
You need to modify HoBao part # 90017 see picture for reference.
You need to open two Holes in the rear bumper to accept the hinge pin support.
You will need to modify your differential case to accept the reinforced drive cups.
You will get :
EMP Diff Lock
Two Drive Cups
Two Threaded Hardened EMP Hinge Pin Support
Two Square EMP Nuts
Two Nylon Shim Spacer
In order to complete all the parts that you need for this conversion, you will need to buy HoBao part # 90017 hinge pin support.