The passenger side is the first to go as it is nearest the exhaust manifold. if your engine vibrates at idle and smoothes out when revved this is probably the culprit. you may also check to see if the two mounting bolts are intruding into the rubber of the mount. Easily replaced just by dropping the cross member, order two and get it over with! Sold each.
These brackets have been specially designed to allow you to install both, factory seat belts and aftermarket harnesses at the same time. Intended for the use of quick disconnect lap belts on both sides of the seat. This is a perfect set up for your street/track car. All brackets are designed to attach to the factory seat belt mounting locations so no drilling is required.
Note: product is sold individually.