Vintage Rainbow Products Hotshot anti-derailment shafts. A spring is built into the shaft, allowing for adjustment to the optimal length during driving. A rare, new, and unused item. The uprights are for adding camber angle. They are much stronger than the standard ones. The steering angle can also be increased because there are many mounting holes. They are gold-plated. A spring is built into the shaft, allowing for adjustment to the optimal length during driving. A rare, new, and unused item. Thank you for your interest. Ships the same day. Thank you for your interest. Ships the same day.