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Supermodified Wing Rear Wing Closeup

The air shock controls the attitude of the wing. As downforce increases with speed, the shock compresses and lowers the rear of the wing, reducing drag. A close-up of the wing-mounted shock shows the lines exiting the shock. They go directly to a pressurized air cylinder.
Supermodified Racing - Super Secrets

The air shock controls the attitude of the wing. As downforce increases with speed, the shock compresses and lowers the rear of the wing, reducing drag. A close-up of the wing-mounted shock shows the lines exiting the shock. They go directly to a pressurized air cylinder.  View Related Article