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GENERAL RULES
All NHRA Rules and Regulations Apply.
Click the Book to the Right to view the current NHRA Rules Click Link to View NHRA Website. www.nhra.com SPEED LIMIT IN THE PIT AREA, RETURN ROAD ALL Drivers Must Be 16 Years Old or Older Except ALL CLASSES • Refer to Section 5 of the 2025 NHRA Rulebook for specific regulations. Quick Reference Chart • All vehicles must pass TVD Tech Inspection before making a pass • All Brackets run 0.5 Full Tree. Handicapped Start. • Antifreeze is prohibited in all race vehicles. No fluid dripping from vehicle! Only exception to this rule are factory street cars with NO MODIFICATIONS! * Make sure your A/C is off before entering the staging lanes! • Batteries must be securely mounted. • Drive shaft loop mandatory on any vehicle using racing slicks. TVD Tech Booth does sell drive shaft loops if you are in need. • Drivers in all classes must wear a helmet SN, SA, M or K-2015 or newer. Check individual class requirements.. • All vehicles must have a drivers restraint system. • If a vehicle breaks and the driver is entered in an elimination class and eliminations have begun, he/she is out of competition for that event. He/She many NOT switch vehicles. • Dial-Ins and Car numbers must be readable from the tower! 4” white numbers are recommended. They are sold at the Tech Inspection Booth!
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MOTORCYCLE RULES - ALL CLASSES • Refer to Section 5C of the 2025 NHRA Rulebook for additional rules and specifications. • Unaltered OEM Production Can-Am Spyder three-wheel motorcycle permitted. All other three-wheel vehicles prohibited. • Protective Clothing: Full all-leathers or SFI Spec 40.1/2 Suit Mandatory on motorcycles running 120 mph or faster. Two-piece suits must be joined together with a metal 360-degree zipper at the waist. SFI Spec 40.1/1 or 40.1/2 suit or leather jacket, leather boots/shoes abouve the ankle, and leather gloves are mandatory on ALL motorcycles. Gloves must be Kevlar-lined or equipped with slide buttons.. • Helmet: Full Face Snell: M2015, M2020, SA2015, SA2020, FIA 8860-2010, 8860-2015 or 8860-2018 helmet mandatory; shield mandatory. Goggles Prohibited. • License: Any rider running 9.99 or quicker must have a valid NHRA Competition License.
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SNOWMOBILE RULES - ALL CLASSES • Refer to Section 5E of the 2025 NHRA Rulebook for additional rules and specifications. • For snowmobiles running 7.50 and slower. All snowmobiles must be factory-production assembled, showroom available, and in the hands of the general public. • Protective Clothing: Full all-leathers or SFI Spec 40.1/2 Suit Mandatory on motorcycles running 120 mph or faster. Two-piece suits must be joined together with a metal 360-degree zipper at the waist. SFI Spec 40.1/1 or 40.1/2 suit or leather jacket, leather boots/shoes abouve the ankle, and leather gloves are mandatory on ALL motorcycles. Gloves must be Kevlar-lined or equipped with slide buttons.. • Helmet: Full Face Snell: M2015, M2020, SA2015, SA2020, FIA 8860-2010, 8859-2015 or 8859-2024 or 8860-2018 helmet mandatory; shield mandatory. Goggles Prohibited. • License: Any rider running 9.99 or quicker must have a valid NHRA Competition License.
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SUPER PRO (Summit ET Finals Class) • 1/8 Mile Race with times between 4.50 to 7.50. • Full bodied vehicles, snowmobiles, bikes, altereds or dragsters. • NHRA Chassis Certification mandatory on all entries running 9.00 or quicker in the 1/4 mile or any entry that exceeds 135 MPH. • All drivers 9.99 & Faster must have an NHRA License. • Electronics, Delay boxes, transbrake, four-wheel line-loc, automated shifter, throttle control and starting line and or "high side" rev limiters permitted, data recorders permitted. Computer, unless OEM stock and stutter boxes prohibited. Lower engine containment device required for all vehicles running 9.99 or quicker. • Refer to Section 5 of the 2025 NHRA Rulebook for additional rules and specifications. |
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• 1/4 Mile Race with times between 9.00 to 13.99. • NHRA Chassis Certification mandatory on all entries running 9.00 or quicker in the 1/4 mile or any entry that exceeds 135 MPH. • All drivers 9.99 & Faster must have an NHRA License. • Computers, unless OEM stock, data recorders, stutter boxes, throttle stops and delay boxes are prohibited.. • Trans brake / dual line-loc's are allowed as long as the wiring consists of a single continuous wire from the power source to a switch and a single continuous wire from the switch to the transbrake or line-loc. All trans brake / line loc buttons must be NHRA accepted. (List of accepted buttons can be found on NHRA.com) Two step rev limiter and automated shiferters are permitted. • EV Vehicles are permitted. • ILower engine containment devices required for all vehicles running 9.99 or quicker. • Refer to Section 5 of the 2025 NHRA Rulebook for additional rules and specifications. |
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• Motorcycles & Snowmobiles • Same rules apply as Pro ET. Lower engine containment device not required. • All drivers 9.99 & Faster must have an NHRA License. • Refer to Section 5C-5E of the 2025 NHRA Rulebook for additional rules and specifications. |
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Super Trophy • Full Bodied Vehicles Only. EV Vehicles Prohibited. • Electronics Prohibited. • DOT Street Tires Required.
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SPORTSMAN (Summit ET Finals Class) • 1/4 Mile Race with times between 11.60 to 19.99. • Full Bodied Vehicles Only. EV Vehicles Prohibited. • Computer unless OEM, data recorders, delay boxes, transbrake, automated shifter unless OEM, throttle stops and stutter boxes are prohibited.. • Two wheel line loc's only permitted. • Ignition: Single stage "high side" rev limited permitted. Starting line rev limiter prohibited. Rev limiter or any other rpm limiting devices, legal unto themselves but altered or installed in as so to function as a down track rpm controller are prohibited. Crank Trigger is prohibited unless OEM Distributor less ignition. • Slicks are permitted and mufflers are optional. • Refer to Section 5 of the 2025 NHRA Rulebook for additional rules and specifications.
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Saturday Night Box Shoot Out • Full bodied vehicles, snowmobiles, bikes, altereds or dragsters. • NHRA Chassis Certification mandatory on all entries running 9.00 or quicker in the 1/4 mile or any entry that exceeds 135 MPH. • All drivers 9.99 & Faster must have an NHRA License. • Electronics, Delay Boxes, Trans brakes, two steps, playback tachometers and nitrous are permitted. Air throttles used as launch control devices are permitted. Factory (OEM) installed computers are permitted, but lap top computers are not allowed while in competition. • Refer to Section 5 of the 2025 NHRA Rulebook for additional rules and specifications.
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Saturday Night No Box Shoot Out • NHRA Chassis Certification mandatory on all entries running 9.00 or quicker in the 1/4 mile or any entry that exceeds 135 MPH. • All drivers 9.99 & Faster must have an NHRA License. • Delay boxes, air throttles and starting line enhancers are prohibited. Delay boxes are not allowed to remain in the vehicle. • Trans brakes, two steps, automated shifters and nitrous are permitted. • EV Vehicles are permitted. • Ignition Starting Line and or ‘High Side’ Rev Limiters Permitted. • Refer to Section 5 of the 2025 NHRA Rulebook for additional rules and specifications. |
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Saturday Night Street Car Trophy Shoot Out • Full Bodied Vehicles Only. EV Vehicles Prohibited. • Electronics Prohibited. • DOT Street Tires Required. • Refer to Section 5 of the 2025 NHRA Rulebook for additional rules and specifications.
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JR. DRAGSTER (JR ET FINALS Class) • Kids 8-17 Years of Age • Refer to Section 4 of the 2025 NHRA Rulebook • All Drivers must have an NHRA License Form & Parental release before competition. • EV Dragsters are Prohibited. (If 5 or more EV's a Separate Class will be Created). WHO CAN RACE?? Any child 8 to 17 years old. Juniors may compete through the calendar year of their 18th birthday, provided they are in competition between Jan 1 and their birthday. NOVICE: Ages 8 & 9, dial-in restricted to 11.90 seconds or slower. INTERMEDIATE: Ages 10 to 12; dial-in restricted to 8.90 seconds & slower. ADVANCED: Ages 13 to 18; dial-in restricted to 7.90 seconds & slower. NO Jr. Dragster will be allowed to be on the track until there is someone on the top end of the track to direct them off. The requirement is that when your jr is on the track one spotter (parent, helper, etc) needs to stay on the starting line to ensure your car is off safely. Also Jr drivers I request that no matter who it is on the top end of the track you obey them and respect them the same as you do any track official. Thunder Valley Dragways is taking these steps to ensure the safety of all drivers. |
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Jr. Street (Summit ET Finals Class) 1/8 Mile • Full Bodied Vehicles Only. EV Vehicles Prohibited. • Drivers need to be NHRA Licensed. License Form o Kids 13-16 Years of Age o Refer to Section of the 2025 NHRA Rulebook o Drivers must have a parental release form signed prior to competition 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. Motorcycles and race cars are prohibited. Car may not be equipped with drive wheel tubs, or be backhalved. All vehicles must be street-legal. Vehicles must also have the correct state issued license plate (dealer tags, paper tags, temporary tags, etc. prohibited), a valid state vehicle registration, a valid state inspection (if required), and proof of current insurance. Vehicles must be able to pass all state highway safety requirements for the state in which the vehicle is registered. Participants may not compete in any other class except Jr. Dragster. As part of the membership purchase necessary for this program, participants also receive the digital edition of awardwinning NHRA National Dragster magazine and excess medical insurance (coverage may be different outside the United States). |
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High School (Summit ET Finals Class) • Full Bodied Vehicles. EV Vehicles Prohibited. All Terrain Vehicles Prohibited • High School Students 16-18 years of age or a current year High School graduate. • All drivers must have a Valid Drivers License (Learners Permit is not Acceptable) • Drivers under 18 must have a parental release form signed prior to competition.• Refer to Section 5 of the 2025 NHRA Rulebook for additional rules and specifications. WHO CAN RACE?? Any high school student 16 years of age or older with a valid driver’s license (a learner’s permit is not a valid driver’s license) can race in this series. Bring a helmet SN, SA, M or K-2015 or newer. Drivers must have a parental release form signed prior to competition
WHAT TYPE OF VEHICLE IS REQUIRED? Virtually full bodied cars with full fenders, hood, grille, top, windshield, and functional doors. Car & truck safety requirements include seat belts, all windows intact and tires and brakes in good condition. The battery must be securely bolted down with factory type mount or metal strap with 3/8” bolts. (No bungee cords.) Cars or trucks with slicks must have a drive shaft safety loop and extended wheel studs. All vehicles must have an overflow tank on the cooling system which holds a minimum of one pint. Fluid leaks of any kind will not be tolerated. Vehicles faster than 14:00 seconds may require additional safety modifications per NHRA rules. No electronics, transmission brakes or two-steps may be used. Nitrous prohibited. |
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MOPAR & Buick-Oldsmobile-Pontiac & Ford-Lincoln-Mercury • Vehicle must be the Make of the Class Entering. If you put a FORD motor in a Corvette; It doesn't make it a FORD vehicle. • Full Bodied Vehicles Only. EV Vehicles Prohibited. • Delay boxes, data recorders and nitrous are prohibited. • Slicks and headers are permitted. Line locks are only permitted in the burnout process. • Throttle must be manually operated by the driver’s foot. Electronics, pneumatics, hydraulics or any other device may in no way affect the throttle operation. A fixed stop under carburetor or gas pedal is permitted. Automated shifter prohibited unless OEM. • Refer to Section 5 of the 2025 NHRA Rulebook for additional rules and specifications. WHAT TYPE OF VEHICLE IS REQUIRED? Car or truck safety requirements include seat belts, all windows intact and tires and brakes in good condition. The battery must be securely bolted down with factory type mount or metal strap with 3/8” bolts. (No bungee cords.) Cars or trucks with slicks must have a drive shaft safety loop and extended wheel studs. All vehicles must have an overflow tank on the cooling system which holds a minimum of one pint. Fluid leaks of any kind will not be tolerated. Vehicles faster than 14:00 seconds may require additional safety modifications per NHRA rules. |
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Stock / Super Stock Combo • Current NHRA Class Indexes are used. STOCK INDEXES SUPER STOCK INDEXES • For Additional Guidelines please visit NHRA Website for Competition. |
