Driveshaft safety loops are required by most competition sanctioning bodies and are a good idea for any high performance application, including street use. This one piece unit is designed to fit the floor pan of the 1965-67 Mustang. The ring is made from seamless DOM steel in an oversize dimension to accommodate lowered vehicles and aftermarket driveshafts. The flanges are laser-cut from heavy-duty steel and the assembly is precision welded in a fixture. Instructions and Grade 8 hardware included. Finished in black powder coat. We also offer a universal, adjustable, 4 piece loop to fit most vehicles. Includes hardware and finished in zinc plating.