• Designed to help you control your throttle
• Mini spring bar that connects to your gas pedal and either a 1/4"- 28 or 3/8"-24 male threaded throttle linkage
• Helps you control wheel spin, shocking the tires, gain and hold traction longer while helping with pedal control on a rough surfaces
• IMCA legal
**Note: Two selected carburetor return springs are to be used for best results. To adjust or stiffen the spring simply tighten the locking jam nut. Carburetor linkage must be shortened for proper application.**