I have not printed this so I'm not sure of the fitment. Used a 3D FJ80 model to build around it.
The mounting holes are 3mm in diameter and 43mm center to center. The front D-Ring mounts are also 3mm holes. Behind the stinger is a mounting plate for Lights.
*This would be for a trimmed hard shell body (removal of stock bumper)
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You can check out the matching rear bumper here
The author hasn't provided the model origin yet.