[Illusions]

IHRA states a car faster than 9.00 needs a cert'd CAGE. also says 10.00-11.49 you need a roll BAR. these are obviously 1/4 mile times not 8th... so I'm good.

Here is a link to the IHRA Rule Book for 2010
IHRA Rule Book

Pg 80

10.00 to 11.49 1/4 mile
6.50 to 7.49 1/8 mile
In addition to the following rules, also see IHRA Summit Sportsman Safety and General
Rules.
AXLES: Aftermarket axles and axle retention device mandatory on entries running 10.99
and quicker 1/4 mile or 6.99 and quicker 1/8 mile.
BRAKES: Minimum of two rear-wheel hydraulic brakes required. Full body cars must
have four wheel brakes. Entries with two wheel brakes require parachute.
DRIVELINE: 1 Drive shaft loop mandatory.
DRIVER RESTRAINT SYSTEM: Must meet SFI 16.1 within 2 year expiration from date
of manufacture. See General Regulations.
FIRE EXTINGUISHERS: Properly secured fire extinguisher is required on all closed body
cars.
FLYWHEEL/CLUTCH: SFI 6.1. Flywheel shield, mandatory and clutch, pressure plate
and flywheel meeting SFI 1.1
FLEX PLATE: SFI 29.1 mandatory if vehicle exceeds 135 mph.
FRAME: See General Regulations.
FUEL SYSTEM: Gasoline, alcohol and propane accepted. All fuel tank filler necks
located inside trunk must have filler neck vented to outside of body. All batteries, fuel
lines, fuel pumps or filler necks located inside trunk must be isolated from the driver’s
compartment gas lines must be located outside driver’s compartment. Fuel tanks not to
be higher than top of rear tires. Fuel cell recommended.
HARMONIC BALANCER: SFI 18.1 balancer required on entries running 10.99 and
quicker or 6.99 and quicker 1/8 mile.
HELMET: SN 95 or newer or SFI 31.1A, 31.2A, 41.1A or 41.2A mandatory. See General
Regulations.
MASTER CUTOFF: See General Regulations.
PROTECTIVE CLOTHING: Minimum, SFI 3.2A-5 jacket on open bodied entries.
Minimum 3.2A-1 jacket on closed body entries. Arm restraints are required on all open
bodied cars. Minimum SFI 3.3-1 gloves on open bodied entries.
ROLL CAGE/ROLL BAR: Roll cage is mandatory if entry has an altered floor or firewall,
or if vehicle exceeds 135 mph. On all other full bodied applications, a six point roll bar
is mandatory. A roll cage is mandatory on all convertibles running 10.99 or quicker 1/4
or 6.99 or quicker 1/8 mile. See General Regulations.
78 IHRA
TRANSMISSION SHIELD: SFI 4.1 mandatory on all automatic transmissions equipped
entries running 10.99 and quicker 1/4 mile or 6.99 and quicker 1/8 mile.
WHEEL BASE: Minimum: 90“ unless car has original engine. Maximum wheel base
variation from left to right: 1”. Minimum wheel base for dragsters is 125”.

11.50 to 13.49 1/4 mile
7.50 to 9.00 1/8 mile
In addition to the following rules, also see IHRA Summit Sportsman Safety and General
Rules. Dragsters are prohibited in this section.
BODY: Mandatory.
BRAKES: Required. Minimum of 2 rear wheel brakes required.
DRIVELINE: Driveshaft loop required on any vehicle which uses racing slicks. See
General Regulations.
DRIVER: Must be in stock location. Driver’s seat may be moved a maximum of 10”
rearward.
FENDERS: Exact duplicates of stock fenders in fiberglass permitted. Rear fenders may
be trimmed for tire clearance. All fenders must have the edge re-rolled or beaded if
altered.
FRONT OVER HANG: No item or equipment may be added to the front which will add
to the overall length of the vehicle.
FUEL SYSTEM: Gasoline, alcohol and propane accepted. Tank must be vented to
outside of vehicle. Gas line must be located outside driver’s compartment.
HELMET: SN 90 or newer mandatory.
HOOD: Mandatory.
MASTER CUTOFF: See General Regulations.
ROLL BAR/ROLL CAGE: A minimum of a 6 point roll bar is mandatory on all
convertibles running 11.00 to 13.49 1/4 mile and 8.25 or quicker 1/8 mile. A roll cage
is mandatory on any entry that exceeds 135 mph. See General Regulations.
STREET EQUIPMENT: One working tail light required.
TRANSMISSION SHIELD: Automatic: It is recommended that cars with modified
automatic transmissions, or converters, have a transmission blanket or shield meeting
SFI 4.1.
WHEELBASE: Minimum 90” unless car has original engine and OEM is shorter.
Wheelbase variation, left to right 1” maximum.
WINDSHIELD/WINDOWS: Windows may be replaced with 1/8” minimum Lexan.
Windshields and windows must be clear except for factory-tinted safety glass. Windows
must be closed during competition, need not be operable. Decals permitted on rear