Thanks! These hooks don't protrude out like the common red O ring bar hooks, my hooks are foldable. Also, the hook can be installed or removed in seconds. The hooks can be left on or off, I had them on my Porsche when I was at Thunderhill.
Since there wasn't any tow hook that looked decent for the Viper. I designed it after the Porsche GT3 Racing hook. The foldable tow hook screws onto a metal shaft which screws into the bumper support bolt, no drilling required (except the rear installation).
When removed, I've also designed a license plate bracket that can be screwed onto the shaft, so no more tickets while driving around town...in California at least.
I haven't submitted them for FIA/SCCA approval yet, but the machined shafts have a tensile strength of over 12K pounds.
[media]http://i641.photobucket.com/albums/uu139/robertkwong/GT3C.jpg[/media]
[media]http://i641.photobucket.com/albums/uu139/robertkwong/TowHookColor.jpg[/media]
[media]http://i641.photobucket.com/albums/uu139/robertkwong/TowHooks.jpg[/media]
[media]http://i641.photobucket.com/albums/uu139/robertkwong/TowHook.jpg[/media]
[media]http://i641.photobucket.com/albums/uu139/robertkwong/LicPlate.jpg[/media]
[media]http://i641.photobucket.com/albums/uu139/robertkwong/BlackTowHook.jpg[/media]
[media]http://i641.photobucket.com/albums/uu139/robertkwong/TowHookR.jpg[/media]