Street Wheelie Bars

Wheelie Bars- are used for 1 of 3 reasons:
Safety - stop a car from going to high by unlading the rear wheels ( anytime the wheels touch the ground the take away traction ), may be spring loaded to soften the effect

Steering - TAFC or Pro stock carry front wheels for a long time off of starting line, and long stiff bars are used to steer the car not unload tires

Show - Car show - street machines etc.