Tow hook, Making my own Options

[Shivers]

Hi Guys, like it says, I'm making some tow hooks. I was trying to find some legal dimensions for this set. Is there a minimum size hole, that no one (racing assoc's) would have a problem with? Same with the width of the whole mount and I'm also looking for how far the said hole would need to be away from the bodywork. Thanks for your help.

Shivers

[Shivers]

Been looking on and off for a few days, and finally found this. Not sure how recent this is, but it probably hasn't changed much. So I'll follow this.


Here's the SCCA rule:

2.10.8: TOWING APPARATUS – All cars must have one (1) front and one (1) rear permanently installed towing eyes/straps/cables, with a minimum hole diameter of 50.4 mm (2”). The apparatus shall be strong enough to pull the vehicle out of a gravel trap. This means that the towing apparatus must be able to withstand the weight of the car and the gravel that gets picked up, approximately 5000 lbs. total. If the towing apparatus is located more than 305 mm (12”) above the ground, it shall not be rigid enough, in the area between the structural part of the chassis and the bodywork, to cause any damage, other than
superficial, to another car. Towing eyes that stick out of the bodywork shall either be hinged to create a blunt surface, or thin enough that it will bend if it comes in contact with metal bodywork of another car.
2.10.8.1: The towing apparatus must be positioned in such a way that:
-They are easily accessible should the car be stopped in a gravel bed.
-They do not protrude beyond the perimeter of the bodywork greater than 1” as viewed from above.
-They are easily accessible without removal, or manipulation, of bodywork.
2.10.8.2: The towing apparatus must be clearly visible with the loop painted in, or the strap material woven in, a strongly contrasting color. There shall be an arrow that contrasts strongly with the vehicle paint scheme, pointing to each tow eye/strap/cable.