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The numbers in the chart specs, (i.e. 2:11) are the general regulation section numbers in the NHRA Rulebook.

2006 NHRA E.T. Quick Reference Chart

Quarter-Mile e.t.s6.00 to 7.497.50 to 9.9910.00 to 10.9911.00 to 11.4911.50 to 13.9914.00 & Slower
Eighth Mile E.T. 4.50 and quicker 4.50 to 6.39 6.40 to 6.99 7.00 to 7.35 7.36 to 8.59 8.60 and slower
Aftermarket Rear AxlesYYY2:112:112:11
Arm Restraints
(Open Cars)
YYYY10:3
11.99
10:3
Auto Trans Flexplate
(SFI 29.1)
YY2:142:142:142:14
Auto Trans Reverse LockoutYYYYYY
Bellhousing
(SFI 6.1/6.2)
YYYY2:102:10
Driver Restraint System
(SFI 16.1)
YYY
10:5
Y
10:5
C
10:5
10:5
10:11
Driveshaft LoopYYYY2:42:4
Electric 16.00 & QuickerYYYYY2:4
Flexplate Shield
(SFI 30.1)
YY2:142:142:142:14
Flywheel/Clutch
(SFI 1.1/1.2)
YYYY2:52:5
Harmonic Balancer
(SFI 18.1)
YYYPermittedPermittedPermitted
Helmet
(Snell 95 or SFI 41.1A min.)
YYYYY10:7
Liquid OverflowYYYYYY
Master Electrical CutoffYY8:4
135 mph
8:48:48:4
Neck CollarYY10:810:810:810:8
NHRA Competition LicenseYY10:410:410:410:4
NHRA Chassis StickerYY4:44:44:44:4
Padding Roll Bar/CageY
SFI
YYY10:6
135 mph
10:6
135 mph
ParachuteYY4:8
150 mph
4:84:84:8
Pressurized Bottles
DOT (1800)
YYYYYY
Protective ClothingYYYY10:1010:10
Roll Bar  YYC/13:494:10
Roll CageY Y
135 mph
4:11 4:114:114:11
SFI Chassis SpecificationY4:4
180 mph
4:44:44:44:4
Supercharger RestraintsY1:151:151:151:151:15
TaillightYYYYYY
Transmission Shield
(SFI 4.1)
YYY2:142:142:14
Window Net
(Full-Bodied Cars)
YY6:3
10:3
6:3
10:3
6:3
10:3
6:3
10:3
Y = Required C = Convertibles
Number Refers to General Regulations
In no way is this Quick Reference Chart intended to supersede or replace the current NHRA Rulebook


2 springs on the throttle return.

SFI or Snell 2000 helmet NOT DOT

Battery in trunk must be bolted around frame 3/8" bolts min. No bolting to floorpan.

You will need a master cutoff switch that will kill all, repeat ALL ,electrics including alternator.
Mounted on the rearmost part of car in plain site for track workers to see.
If push/pull, push must be off.

11.49(7.35 1/8th) and quicker you will need an sfi approved 5 point restraint system.

Fuel cell if plastic must have a ground strap from filler ring to ground source.

Flywheel shield at 11.49(7.35 1/8th)

16 oz. min. fluid catch for the radiator.

11.49(7.35 1/8th) et for min. 5 point 1 3/4" rollbar. 1 1/4" crossbar .118 mild steel
or .083 moly tubing.


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