IHRA Official Rulebook

Battery in rack/box or with cleats

Battery on flat plate with strap only

Bolt size

Battery weight

Bolt size

Battery weight

#8

15 19 36 57 83

#8

6

#10 1/4 5/16

#10 1/4 5/16

7.5

14 23 34 46

3/8

3/8

7/16

114 152 195 243

7/16

1/2

1/2

61

9/16

9/16

78 96

5/8

5/8

FUSING OF BATTERIES: All battery packs must have over-current protection. Circuit breaker(s) or fuse(s) permitted. Such protection devises must have a DC voltage rating equal to or greater than nominal pack voltage. Current rating must be lower than master disconnect, wiring and battery pack can carry without damage. Battery sub-packs must be individually fused. IGNITION: All vehicles must be equipped with a switch, attached to the driver with a lanyard, capable of shutting off all power to the motor. Switch may actuate relay or contractor. Solid state switch prohibited. A flashing yellow light must be affixed to top of roll cage indicating when electrical system is energized. MASTER CUTOFF: All vehicles must incorporate a master electrical disconnect switch that must disable all electrical functions. Switch must be located on the deflector plate no more than three (3) inches from the top of roll cage. Must be clearly labeled as to “off' position. Must disconnect all power from motor. Switch may actuate relay or contractor. RECHARGING: Batteries may be recharged in pits or other designated areas only. Polarized plug connection to battery pack from charger mandatory. VOLTAGE: Maximum permitted operational voltage 144 volts nominal. Voltage checked at battery pack. No load using digital voltmeter, Maximum fully charged battery-pack voltage 156 volts. MATCH RACE EXHIBITION VEHICLES Although vehicles in this division don’t necessarily compete in a specific IHRA class, they must comply with all basic safety regulations for their respective type vehicle as per the IHRA Rulebook and its supplements. A valid IHRA Competition license and or registration is mandatory. Chassis inspection mandatory on 9.00 and quicker (6.00 and quicker 1/8 mile). Contact IHRA Tech Department for the supplement to this rule book that outlines the specific requirements and specifications for the exhibition program. Additional information is available on the competition page of ihra.com. All vehicle designs and drivers credentials must be accepted prior to participation at any IHRA sanctioned facility. Contact the IHRA competition department for a detailed list of accepted participants and current vehicle types in addition to the progam supplement. ROCKETS : Prohibited. TWO AND THREE-SEAT DRAGSTER Designed for carrying a passenger, in exhibition only. May not be entered in competition while carrying a passenger. Runs are limited to 1/8 mile, 135 mph or 5.00 seconds. Driver and passenger must wear SN-95 or newer helmet, SFI 3.3 neck collar, SFI 3.3/5 gloves, SFI 3.3 arm restraints, SFI 3.2A/5 driver’s suit. Passenger must be 18 years or older. Driver and car must meet all requirements of IHRA for its class. Wheelstander All Vehicles must be inspected and approved by the IHRA COMPETITION DEPARTMENT prior to competition. The driver must have a current IHRA competition license for his/her chosen vehicle. Any additional safety items that the Tech Director or Tech Committee deems necessary will be required. Contact IHRA for specific requirements.

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IHRA