SFI/NHRA Technical Inspection Certification Program
2026 Certification Test - Bronze Level
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All Questions are taken from the 2026 NHRA Rulebook
Note: Where E.T.'s are used, asterisk (*) indicates eighth-mile equivalent
1. In Super Pro, Pro, Sportsman, a harmonic balancer meeting SFI Spec 18.1 mandatory in any car running 10.99 (*6.99) or quicker.
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True
False
2. In Super Comp, for rear-engine dragsters utilizing naturally aspirated OEM motorcycle engines, an aftermarket billet flywheel or NHRA-accepted flywheel shield mandatory.
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True
False
3. In General Regulations, all electrical, instrumentation, etc. connection boxes (e.g., exhaust temperature sensor/data recorder boxes and similar components) must be securely (no wire ties, hose clamps, Velcro, etc.) attached to the engine, frame, bellhousing only.
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True
False
4.In General Regulations, rear-engine dragsters with radiator mounted in front of engine must install a deflector from framerail to framerail and to the top of the roll cage.
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True
False
5. In Top Sportsman, all cars must utilize an NHRA-accepted lower engine oil-retention device; may use a belly pan in lieu of a device attached to the engine. Pan must run from in front of the front motor plate to in front of the rear motor plate and from framerail to framerail.
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True
False
6. In HOW TO USE THIS RULEBOOK, under no circumstances may any certified product be modified, altered, or in any way vary from the “as manufactured” condition.
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True
False
7. In General Regulations, for Stock and Super Stock categories, racing gasoline is defined for purposes of this Rulebook as a mixture of aromatic hydrocarbons only.
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True
False
8. In Super Pro, Pro, Sportsman, wheels must be automotive-type suitable for street use. Minimum wheel size: 13 inches (unless originally equipped with smaller wheels and vehicle is equipped with original engine).
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True
False
9. In Advanced E.T., double-pipe or thermal-wrapped insulated headers mandatory on supercharged, methanol-burning bodied cars. Insulation must extend to start of bend in headers at bottom of body.
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True
False
10. In Advanced E.T., for all front-engine open-bodied vehicles supercharged or turbocharged (gasoline-or methanol-burning), a flame-retardant-material-covered seat is mandatory.
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True
False
11. In Nostalgia Dragster, the minimum wheelbase is 88 inches, maximum 223 inches.
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True
False
12. In General Regulations, containers for alternative fuels must be permanently labeled by the manufacturer as suitable for CNG or propane. Tank must be vented outside of body. Alternative fuel systems must incorporate pressure-relief valve meeting standards listed in NFPA 52.
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True
False
13. In E.T. Motorcycle, chain and/or belt guards are mandatory. Must have front and rear chain guards to cover the width and at least the top run to the centerline of the sprocket of any chains or belts.
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True
False
14. In E.T. Snowmobile, all skis must be OEM steel or aftermarket aluminum or steel.
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True
False
15. In Super Pro, Pro, Sportsman, for a naturally aspirated, OEM supercharged, or OEM turbocharged car with a full OEM or.024-inch steel firewall running 10.00 (*6.40), a jacket meeting which of the following SFI Specs is mandatory?
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3.2A/1
3.2A/5
3.2A/15
3.2A/20
16. In E.T. Motorcycle, the engine must be stock-type specifically designed and manufactured for production motorcycle use. Snowmobile engines, single cylinder Jr. Dragster engines permitted.
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True
False
17. In Super Pro, Pro, Sportsman, a driveshaft loop is required on all cars running 13.99 (*8.59) or quicker and utilizing slicks, except vehicles running 11.49 (*7.35) seconds or slower equipped with street tires.
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True
False
18. In GT/Truck, trucks in GT/TA through GT/TD must be equipped with a transmission shield meeting SFI Spec 4.1.
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True
False
19. In General Regulations, full-bodied cars 7.49 (*4.49) seconds and quicker with the OEM floor removed/replaced: Each end of the driveshaft must have a round 360-degreedriveshaft loop within 8 inches of the U-joint, and a driveshaft tube is also required.
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True
False
20. In Race Procedures, seat belts must be worn and adjusted in such a manner that the driver’s torso and head cannot extend outside the parameters of the roll cage.
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True
False
21. In General Regulations, carburetor inlet must not be openly exposed. In lieu of hood, carburetors must be equipped with a flash shield or velocity stacks that cover the top, back, and sides, preventing fuel from being siphoned into the airstream or blown into driver’s face.
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True
False
22. In Advanced E.T. Motorcycle, hydraulic brakes, front and rear, mandatory. Minimum sizes: front, 8-inch diameter x 1/8-inch width for dual rotors, 10-inch diameter x 3/16-inch width for single rotor. Rear, 9- inch diameter x 3/16-inch width. Steel-braided brake lines mandatory.
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True
False
23. In Top Sportsman, four-wheel brakes are mandatory with dual master cylinder mounted above framerails on all entries.
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True
False
24. In Super Pro, Pro, Sportsman, driver-compartment interior must be aluminum, steel, NHRA accepted carbon fiber, fiberglass, or magnesium.
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True
False
25. In Administrative Procedures & Appeals, NHRA rules may be added, deleted and/or amended from time to time and at any time by NHRA. It is the participant’s responsibility to stay abreast of all NHRA rule changes that may affect the participant. Additions, deletions, or changes to the Rulebook (collectively referred to herein as “amendments”) will be communicated by publication on NHRARacer.com.
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True
False
26. In All Terrain Vehicle, an aftermarket fuel tank may replace the OEM fuel tank. OEM appearance of All-Terrain Vehicle must be retained. Pressurized fuel tank prohibited.
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True
False
27. In Electric-Powered Vehicle, all areas of the driver’s compartment must be free of any high voltage wiring to provide safety personnel a safe area to cut around driver in the event of an accident
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True
False
28. In Advanced E.T., the driveshaft must be covered by a 360-degree tube, covering the front U-joint and extending rearward a minimum 10 inches. Minimum thickness of tube is .065-inch chromoly or titanium.
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True
False
29. In Electric-Powered Vehicle, all high voltage components or their housings must be identified with the international symbol for high voltage, at least 1.5” wide at base or appropriately sized for the component.
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True
False
30. In General Regulations, all non-OEM fuel lines (including gauge and/or data recorder lines) must be metallic, steel braided, or NHRA accepted “woven or woven-pushlock.”
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True
False
31. In Administrative Procedures & Appeals, participants may request official opinions on technical issues from NHRA. This type of opinion may be requested, for example, on the acceptability of specific items of equipment or body designs. Any request for an official opinion on technical issues must be made in writing and submitted to the NHRA Technical Department.
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True
False
32. In Advanced E.T., Minimum 5-pound NHRA-accepted fire extinguisher system mandatory on all cars, except rear-engine cars WITHOUT an enclosed cockpit. Minimum 5-pound NHRA-accepted system mandatory on all front-engine open-bodied vehicles with supercharger or turbocharger(s) and all supercharged methanol-burning cars (fullbodied or Funny Car).
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True
False
33. In Electric-Powered Vehicle, an Insulation Monitoring Device is mandatory.
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True
False
34. In General Regulations, , A head and neck restraint device/system meeting SFI 38.1 is mandatory for any vehicle running 150 mph or faster for 1/4 or 1/8 mile or running 7.49 (*4.49) E.T. or quicker or by Class Requirements.
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True
False
35. In NHRA STREET LEGAL RACING, tires used may be other than OEM, but they must be DOT-approved.
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True
False
36. In NHRA JR. STREET, NHRA Jr. Street is for drivers of full-bodied cars, trucks, vans, or SUVs. Prohibited vehicles include open-top SUVs or open-top SUV-type vehicles. Convertible tops are allowed but must be closed at all times.
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True
False
37. In General Regulations, the thread engagement on all wheel studs to the lug nut, or lug bolts to wheel hubs, must be equivalent to or greater than the diameter of the stud/bolt. Length of the stud/bolt does not determine permissibility. (Example: A 7/16-inch stud must be thoroughly engaged through the threads in the hex portion of the lug a minimum of 7/16-inch.)
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True
False
38. In General Regulations, chemically treating and physically altering (e.g., lightening, etc.) a tire in any manner is prohibited unless such treatment or alteration is performed by the original manufacturer.
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True
False
39. In General Regulations, an onboard fire extinguisher system is mandated under certain Class Requirements. ALL FIRE BOTTLE SAFETY PINS MUST BE REMOVED BEFORE THE VEHICLE REACHES THE READY LINE.
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True
False
40. In Super Pro, Pro, Sportsman, for all 10.00 to 13.99 closed-bodied cars, which of the below helmets is not permitted?
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M2025
SFI 31.1/2020
SA2010
SA2020
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