2014 Northwest Division 6 Summit ET Finals Rules ATTENTION SUPER PRO & PRO: AN OIL-RETENTION DEVICE WILL BE MANDATORY ON ALL VEHICLES RUNNING 9.99 & QUICKER OR EXCEEDING 135 MPH AT THIS EVENT- MOTORCYCLES & SNOWMOBILES E

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• Mechanical engineering
• Delay box
• Switches
• Rev limiter
• Transbrake
• National Hot Rod Association
• Railroad switch
• Carburetor
• Ignition system
• Transport
• Drag racing
• Technology