Speed Secrets (Throttle Control Bar) was designed to help you control your throttle. “legal traction control” It is a mini spring bar that connects to your gas pedal and either a 1/4″ -28 or 3/8″ -24 male threaded throttle linkage. This part will help you control wheel spin, shocking the tires, gain and hold traction longer, helping with pedal control on a rough surface, etc.