Halfshaft safety loop.


Thanks
In place of a
crossmember, in the vicinity of the front universal joint, all cars in
competition using open driveshafts must have a retainer loop 360
degrees of enclosure, 1/4-inch minimum thickness and 2 inches
wide, or 7/8-inch x .065-inch welded steel tubing, securely mounted
and located within 6 inches of the front universal joint for support of
the driveshaft in event of U-joint failure. Open drivelines passing
any part of the driver’s body must be completely enclosed in 1/8-
inch minimum thickness steel plate, securely mounted to the frame
or frame structure. Driveshaft loop required on all cars running
13.99 (*8.59) or quicker and utilizing slicks; except vehicles running
11.49 (*7.35) seconds or slower equipped with street tires.
2:5



