5.50 Index

5.50 INDEX:

Minimum 12 Index cars required for full payout. All classes run 1/8th mile.

• All run field. Ladder at 16.
• Door cars, trucks or lefthand steer roadsters.
• Any power adder.
• No throttle stop or NOS timers.
• Must have diaper.
• No electronic control devices other than ignition box permitted on vehicle.
• Delay box must be non-operational and not used.
• Trans brake allowed.
• Working lights (tail) required.
• All chassis combinations permitted.
• Electric shifter & air shifter OK.
• No tire restrictions
• Nitrous button or micro switch OK.
• 5.50 break-out rule
• .400 tree
• Tech officials have final discretion on all rules on race day.
• Auto Start will be in effect.
• Bye runs – all vehicles must take the tree
• All NHRA Safety Rules Apply.