GENERAL RULES
All IHRA Rules and Regulations Apply.
Click the Book to the Right to view the current IHRA Rules
Click Link to View IHRA Website. www.ihra.com
SPEED LIMIT IN THE PIT AREA, RETURN ROAD
AND OTHER AREAS IS 10 M.P.H.
ALL Drivers Must Be 16 Years Old or Older Except
Jr. Dragster & Teen Championship.
Drivers Under 18 Years Old Must Have A Parent Consent Form and a
Waiver Form Signed and On File With The Track.
Parental Form Waiver Form
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ALL CLASSES • Refer to pages 48-71 of the 2024 IHRA Rulebook for specific regulations. • 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. • A minimum of a 6 point roll bar is mandatory on all convertibles running 11.00 to 13.49 or quicker. A roll cage is mandatory on any entry that exceeds 135 MPH. • 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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10.00 TO 11.49 • Fire Extinguisher: required in all closed bodied cars. • Roll Cage: mandatory if vehicle has an altered floor/firewall or if vehicle exceeds 135 MPH or convertibles running 11.00 to 13.49 in the 1/4 mile. • Helmet: SN, SA, M or K-2015 or newer MANDATORY. Open bodied entries must use a full face helmet. • Protective Clothing: Minimum, SFI 3.2A-5 jacket on open bodied entries, Minimum 3.2A-1 jacket on closed body entries. Arm restrains are required on all open bodied cars. Minimum SFI 3.3-1 gloves on open bodied entries. • Drivers Restraint System: must meet SFI 16.1 within 2 year expiration from date of manufacture. • Refer to page 44 of the 2024 IHRA Rulebook for specific regulations |
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9.99 & Faster • License: IHRA, WDRA or NHRA License • Helmet: SN, SA, M or K-2015 or newer MANDATORY. Open bodied entries must use a full face helmet. • Parachute Mandatory on entries at 150 mph. • Master Cutoff MANDATORY. • Protective Clothing: All entries running 9.00 or quicker must have a minimum of SFI 3.2A-5 Jacket & Pants and a 3.3 neck collar. 3.3-1 gloves are mandatory on entries running 8.49 or quicker. Additional 3.3 arm restraints and 3.3-1 gloves are mandatory on all open bodied entries. A 3.2 A-5 jacket is mandatory on all other configurations. • Roll Cage: Mandatory on all entries running 9.00 or quicker or 150 MPH in the 1/4 and must have a current IHRA or NHRA Chassis Certification. • Refer to pages 42-44 of the 2024 IHRA Rulebook for specific regulations
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MOTORCYCLE RULES • Front brakes mandatory. Chain guards and clutch covers mandatory. • Engine kill switch attached to Rider or factory tip over switch on 0 to 10.99 machines. • “Snap-Back” throttle on all machines. • Rigid front forks are not permitted on any machine. • Nitrous Oxide permitted on entries. • Protective Clothing: All riders must have boots/shoes above the ankle, leather gloves and a leather jacket. Any rider running quicker than 10.99 must also have leather pants. Pants are not required to be zipped together. Nylon or textile jackets and pants are not permitted. • Helmet: SN, SA, M or K-2015 or newer MANDATORY with closed face. ECE 22.05 models permitted on bikes running 10.00 or slower in the 1/4. • License: Any rider running 9.99 or quicker must have a valid IHRA, WDRA or NHRA Competition License. • Refer to pages 17-19 of the 2024 IHRA Rulebook for additional rules and specifications.
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SNOWMOBILE RULES • Nitrous Oxide permitted on entries. • Chains, pulleys, belts and exposed moving parts must be isolated from the driver. No holes may be drilled in protective shields. • A positive ignition cutoff switch, capable of de-energizing entire ignition system, attached to rider with a lanyard. • Functional taillight mandatory. • All snowmobiles must have a min of 1” travel in the track suspension. Only steel springs will be permitted. Externally activated suspension systems prohibited. • All snowmobiles must be equipped with a rear snowflap attached to the tunnel. • Protective Clothing: Full all leathers or SFI Spec 40.1/2 suit mandatory if running 120 mph or faster. Two-piece suits must be joined together at waist with a zipper. Jacket and pants or suit meeting SFI Spec 40.1/1 or 40.1/2, leather boots/shoes above the ankle and leather gloves mandatory. • Helmet: SN, SA, M or K-2015 or newer MANDATORY. • License: Any rider running 9.99 or quicker must have a valid IHRA, WDRA or NHRA Competition License. • Refer to pages 17-19 of the 2024 IHRA Rulebook for additional rules and specifications. |
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TOP ET • Full bodied vehicles, snowmobiles, bikes, altereds or dragsters. • IHRA or NHRA Chassis Certification mandatory on all entries running 9.00 or quicker in the 1/4 mile or any entry that exceeds 150 MPH. • All drivers 9.99 & Faster must have an IHRA, WDRA or 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 pages 46 - 75 of the 2023 IHRA Rulebook for additional rules and specifications. • IHRA Members Qualify for “TOP ET” Summit SuperSeries **See Page 10 of the 2024 IHRA Rulebook for additional rules and specifications.
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MOD ET • IHRA or NHRA Chassis Certification mandatory on all entries running 9.00 or quicker in the 1/4 mile or any entry that exceeds 150 MPH. • All drivers 9.99 & Faster must have an IHRA, WDRA or 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 pages 46 - 75 of the 2023 IHRA Rulebook for additional rules and specifications. • IHRA Members Qualify for “MOD ET” Summit SuperSeries **See Page 10 of the 2024 IHRA Rulebook for additional rules and specifications.
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Pro Bike • Motorcycles & Snowmobiles • Delay Boxes & Throttle Stops Prohibited. • Air and Electric Actuated Shifters Permitted. RPM and Timer Controlled Shifters Permitted. Slicks and Wheelie Bars Permitted. Aftermarket Clutches Permitted. Nitrous and Turbos Permitted. • All drivers 9.99 & Faster must have an IHRA, WDRA or NHRA License. • Refer to pages 17-19 of the 2024 IHRA Rulebook for additional rules and specifications. • IHRA Members Qualify for "Motorcycle” Summit SuperSeries **See Page 10 of the 2024 IHRA 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. • IHRA Members Qualify for “SPORTSMAN” Summit SuperSeries **See Page 10 of the 2024 IHRA Rulebook for additional rules and specifications.
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Pro Trophy • Full Bodied Vehicles Only. EV Vehicles Prohibited. • Delay boxes, air throttles, starting line enhancers, trans brakes, two steps, buttons on the steering wheel 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 pages 48-71 of the 2024 IHRA Rulebook for additional rules and specifications. • IHRA Members Qualify for “SPORTSMAN” Summit SuperSeries **See Page 10 of the 2024 IHRA Rulebook for additional rules and specifications.
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Saturday Night Box Shoot Out • Full bodied vehicles, snowmobiles, bikes, altereds or dragsters. • IHRA or NHRA Chassis Certification mandatory on all entries running 9.00 or quicker in the 1/4 mile or any entry that exceeds 150 MPH. • All drivers 9.99 & Faster must have an IHRA, WDRA or 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 pages 48-71 of the 2024 IHRA Rulebook for additional rules and specifications.
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Saturday Night No Box Shoot Out • IHRA or NHRA Chassis Certification mandatory on all entries running 9.00 or quicker in the 1/4 mile or any entry that exceeds 150 MPH. • All drivers 9.99 & Faster must have an IHRA, WDRA or 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 pages 48-71 of the 2024 IHRA 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 pages 41-42 of the 2024 IHRA Rulebook for additional rules and specifications.
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Jr. Dragster (1/8 Mile) All Run • Kids 7-17 Years of Age • Refer to pages 28-39 of the 2024 IHRA Rulebook • All Drivers must have an IHRA, WDRA or NHRA License License Form • Drivers must have a parental release form signed prior to competition.• EV Dragsters are Prohibited. (If 5 or more EV's a Separate Class will be Created). • IHRA Members Qualify for Summit SuperSeries **See Page 10 of the 2024 IHRA Rulebook for additional rules and specifications. WHO CAN RACE?? Any child 7 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. All competitors must make 6 passes to obtain or upgrade IHRA license. A photocopy of every competitors birth certificate must accompany all license applications along with an original parental consent agreement and original release and waiver of liability. 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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Teen Championship (1/8 Mile) • Full Bodied Vehicles Only. EV Vehicles Prohibited. • Drivers need to be IHRA Licensed. License Form o Kids 13-17 Years of Age o Refer to pages 26-27 of the 2024 IHRA Rulebook o Drivers must have a parental release form signed prior to competition Teen championship racing allows youth aged 13 to 17 the opportunity to race against their peers in full-bodied street vehicles. A Co-Driver will accompany the TCR competitor on all runs to coach the driver and to join in the fun. The TCR program is an inexpensive way for families to get involved in drag racing. All races are conducted over a distance of 1/8th mile with an ET dial-in format. TCR drivers may not compete in any other class, except for Jr. Dragster. Co-Driver: The co-driver must be the driver’s parent, legal guardian, or adult 25 years of age or older, with a valid state driver’s license. The co-drivers must be seated in the passenger seat of the vehicle any time the driver is in the driver’s seat. The co-driver must drive the vehicle in the pits, to the staging lanes, and on the return road beyond the time slip booth. Driver: Youth ages 13 to 17 (or until they have achieved a State driver’s license not a learners permit) may be licensed to compete in TCR. All runs must be made with an approved co-driver. Vehicle: Must be a street legal full-bodied car, truck, van or SUV. Convertibles, jeeps, motorcycles, modified vehicles and/or specific-built race cars prohibited. The vehicle must pass IHRA and state safety regulations. The vehicle must be licensed and equipped with mufflers, DOT street tires and seat belts. Electronics prohibited. Seat belt usage is mandatory. |
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High School • Full Bodied Vehicles or Motorcycle. EV Vehicles Prohibited. All Terrain Vehicles Prohibited • High School Students 15-18 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 pages 48-71 of the 2024 IHRA Rulebook for additional rules and specifications. WHO CAN RACE?? Any high school student 15 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 any car, truck or motorcycle which meets the minimum safety requirements may be used. 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 IHRA rules. No electronics, transmission brakes or two-steps may be used. |
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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 pages 48-71 of the 2024 IHRA 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 IHRA rules. |
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Stock / Super Stock Combo • 2017 IHRA Class Indexes are used. STOCK INDEXES SUPER STOCK INDEXES • For Additional Guidelines please visit IHRA Website for Competition. |