NHRA Stock Car Technical Specifications
Stock & Super Stock
Rod Replacement List
Super Stock Cylinder Head Volumes
NHRA Accepted Transbrake Buttons
NHRA Accepted Oil-retention devices
NHRA Accepted TAFC helmet shrouds
NHRA Altitude Correction Factors
NHRA E.T. Quick Reference Chart
Stock Car Classification
American Motors
Buick
Cadillac
Chevrolet
Chrysler
Dodge
Ford
Mitsubishi
Oldsmobile
Opel
Plymouth
Pontiac
Saturn
Engine Blueprint Specifications
American Motors
Buick
Cadillac
Chevrolet
Chevrolet Truck
Chrysler
Chrysler Truck
Ford
Ford Truck
GMC
Mitsubishi
Nissan
Oldsmobile
Opel
Pontiac
Saturn
Shelby
TECH DEPT.
HELP LINE
(626) 250-2485
2006 NHRA E.T. Quick Reference Chart
| Quarter-Mile e.t.s | 6.00 to 7.49 | 7.50 to 9.99 | 10.00 to 10.99 | 11.00 to 11.49 | 11.50 to 13.99 | 14.00 & Slower |
| Aftermarket Rear Axles | Y | Y | Y | 2:11 | 2:11 | 2:11 |
| Arm Restraints (Open Cars) | Y | Y | Y | Y | 10:3 11.99 | 10:3 |
| Auto Trans Flexplate (SFI 29.1) | Y | Y | 2:14 | 2:14 | 2:14 | 2:14 |
| Auto Trans Reverse Lockout | Y | Y | Y | Y | Y | Y |
| Bellhousing (SFI 6.1/6.2) | Y | Y | Y | Y | 2:10 | 2:10 |
| Driver Restraint System (SFI 16.1) | Y | Y | Y 10:5 | Y 10:5 | C 10:5 | 10:5 10:11 |
| Driveshaft Loop | Y | Y | Y | Y | 2:4 | 2:4 |
| Electric 16.00 & Quicker | Y | Y | Y | Y | Y | 2:4 |
| Flexplate Shield (SFI 30.1) | Y | Y | 2:14 | 2:14 | 2:14 | 2:14 |
| Flywheel/Clutch (SFI 1.1/1.2) | Y | Y | Y | Y | 2:5 | 2:5 |
| Harmonic Balancer (SFI 18.1) | Y | Y | Y | Permitted | Permitted | Permitted |
| Helmet (Snell 95 or SFI 41.1A min.) |
Y | Y | Y | Y | Y | 10:7 |
| Liquid Overflow | Y | Y | Y | Y | Y | Y |
| Master Electrical Cutoff | Y | Y | 8:4 135 mph | 8:4 | 8:4 | 8:4 |
| Neck Collar | Y | Y | 10:8 | 10:8 | 10:8 | 10:8 |
| NHRA Competition License | Y | Y | 10:4 | 10:4 | 10:4 | 10:4 |
| NHRA Chassis Sticker | Y | Y | 4:4 | 4:4 | 4:4 | 4:4 |
| Padding Roll Bar/Cage | Y SFI | Y | Y | Y | 10:6 135 mph | 10:6 135 mph |
| Parachute | Y | Y | 4:8 150 mph | 4:8 | 4:8 | 4:8 |
| Pressurized Bottles DOT (1800) | Y | Y | Y | Y | Y | Y |
| Protective Clothing | Y | Y | Y | Y | 10:10 | 10:10 |
| Roll Bar | Y | Y | C/13:49 | 4:10 | ||
| Roll Cage | Y | Y 135 mph |
4:11 | 4:11 | 4:11 | 4:11 |
| SFI Chassis Specification | Y | 4:4 180 mph | 4:4 | 4:4 | 4:4 | 4:4 |
| Supercharger Restraints | Y | 1:15 | 1:15 | 1:15 | 1:15 | 1:15 |
| Taillight | Y | Y | Y | Y | Y | Y |
| Transmission Shield (SFI 4.1) | Y | Y | Y | 2:14 | 2:14 | 2:14 |
| Window Net (Full-Bodied Cars) | Y | Y | 6:3 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 | ||||||