NDRA Drag Racing
NOPI Drag Race Association
NDRA Class
Rules & Regulations
2026 Championship Series — Official Competition Guidelines
⚠ Important: All vehicles must comply with NHRA safety rules at all times.
Review your full class requirements carefully before race day.
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Purses & Points
2026 NDRA Championship Series payouts and points structure. Must attend all 3 events to qualify for the Championship.
★ Championship Requirement: Competitors must attend all three events to qualify to win the NDRA Championship title and contingency awards.
⚠ Purse Contingency Notice: All listed purse amounts are based on a full car field. Full fields are defined as 32 cars for XFWD and 16 cars for all other classes (XWORLD, XAWD vs XRWD, and all Index classes). Payouts will be adjusted proportionally if a full field is not reached.
▶ Class Purses — X-Classes *Based on full 32-car field (XFWD) / 16-car field (all others)
XFWD *32-car field
Winner$17,000
Runner-Up$3,000
XWORLD *16-car field
Winner$8,000
Runner-Up$2,000
XAWD vs XRWD *16-car field
Winner$8,000
Runner-Up$2,000
9.50 Index *16-car field
Winner$4,000
Runner-Up$1,000
10.50 Index *16-car field
Winner$4,000
Runner-Up$1,000
11.50 Index *16-car field
Winner$4,000
Runner-Up$1,000
Round & Finishing Points
Winner100 pts
Runner-Up80 pts
Semifinalists60 pts
Quarterfinalists40 pts
First Round Win — 16 car field20 pts
First Round Win — 32 car field10 pts
Class Record (must be backed up within 1%)20 pts
Qualifying Points — 16 Car Field
No. 1 Qualifier8 pts
No. 2 Qualifier7 pts
No. 3 Qualifier6 pts
No. 4 Qualifier5 pts
No. 5–6 Qualifiers4 pts
No. 7–8 Qualifiers3 pts
No. 9–12 Qualifiers2 pts
No. 13–16 Qualifiers1 pt
⚠ Championship Eligibility: Competitors must attend all three NDRA events to qualify to win the Championship. Points are accumulated across all three events and the top finishing drivers receive awards, payouts, and contingencies.
Index Classes
Quarter-mile heads-up racing on a .400 Pro Tree. Catch-pan / diaper required for all index vehicles. Select your index below.
Distance1/4 Mile
Tree.400 Pro
Breakout9.50
Catch-PanRequired
Winner$4,000
Runner-Up$1,000
| Body | Any year vehicle permitted |
| Chassis | Any door car. Must have door — no dragsters or altereds |
| Engine | No restrictions |
| Exhaust | Not required |
| Power Adder | No restrictions |
| Suspension | No restrictions |
| Lights | Not required |
| Windows | OEM glass or Lexan permitted |
| Interior | Not required |
| Electronics | Delay boxes, electronic throttle stops, and stutter boxes are PROHIBITED |
| Shifter | Any |
| Fuel | Any |
| Tires | No restrictions |
| General Safety | All vehicles must comply with NHRA safety rules. |
| Body | Any year vehicle allowed. |
| Chassis | Any door car permitted. Must have door — no dragsters or altereds. |
| Engine | No restrictions. |
| Exhaust | Not required. |
| Power Adder | No restrictions. |
| Suspension | No restrictions. |
| Lights | Not required. |
| Windows | OEM glass or Lexan permitted. |
| Interior | Not required. |
| Electronics | Delay boxes, electronic throttle stops, and stutter boxes are PROHIBITED. |
| Shifter | Any. |
| Fuel | Any. |
| Tires | No restrictions. |
| Catch-Pan | Catch-pan / diaper required. |
Distance1/4 Mile
Tree.400 Pro
Breakout10.50
Catch-PanRequired
Winner$4,000
Runner-Up$1,000
| Body | Any year vehicle permitted |
| Chassis | Any door car. Must have door — no dragsters or altereds |
| Engine | No restrictions |
| Exhaust | Not required |
| Power Adder | No restrictions |
| Suspension | No restrictions |
| Lights | Not required |
| Windows | OEM glass or Lexan permitted |
| Interior | Not required |
| Electronics | Delay boxes, electronic throttle stops, and stutter boxes are PROHIBITED |
| Shifter | Any |
| Fuel | Any |
| Tires | No restrictions |
| General Safety | All vehicles must comply with NHRA safety rules. |
| Body | Any year vehicle allowed. |
| Chassis | Any door car permitted. Must have door — no dragsters or altereds. |
| Engine | No restrictions. |
| Exhaust | Not required. |
| Power Adder | No restrictions. |
| Suspension | No restrictions. |
| Lights | Not required. |
| Windows | OEM glass or Lexan permitted. |
| Interior | Not required. |
| Electronics | Delay boxes, electronic throttle stops, and stutter boxes are PROHIBITED. |
| Shifter | Any. |
| Fuel | Any. |
| Tires | No restrictions. |
| Catch-Pan | Catch-pan / diaper required. |
Distance1/4 Mile
Tree.400 Pro
Breakout11.50
Catch-PanRequired
Winner$4,000
Runner-Up$1,000
| Body | Any year vehicle permitted |
| Chassis | Any door car. Must have door — no dragsters or altereds |
| Engine | No restrictions |
| Exhaust | Not required |
| Power Adder | No restrictions |
| Suspension | No restrictions |
| Lights | Not required |
| Windows | OEM glass or Lexan permitted |
| Interior | Not required |
| Electronics | Delay boxes, electronic throttle stops, and stutter boxes are PROHIBITED |
| Shifter | Any |
| Fuel | Any |
| Tires | No restrictions |
| General Safety | All vehicles must comply with NHRA safety rules. |
| Body | Any year vehicle allowed. |
| Chassis | Any door car permitted. Must have door — no dragsters or altereds. |
| Engine | No restrictions. |
| Exhaust | Not required. |
| Power Adder | No restrictions. |
| Suspension | No restrictions. |
| Lights | Not required. |
| Windows | OEM glass or Lexan permitted. |
| Interior | Not required. |
| Electronics | Delay boxes, electronic throttle stops, and stutter boxes are PROHIBITED. |
| Shifter | Any. |
| Fuel | Any. |
| Tires | No restrictions. |
| Catch-Pan | Catch-pan / diaper required. |
Bracket Racing
All eligible vehicles compete together in a single class.
Distance1/4 Mile
ElectronicsUnrestricted
| Chassis | Any door car permitted |
| Engine | No restrictions |
| Power Adder | No restrictions |
| Suspension | No restrictions |
| Electronics | No restrictions |
| Lights | Not required |
| Windows | Glass or Lexan |
| Interior | Not required |
| Shifter | Any |
| Fuel | Any |
| Tires | No restrictions |
⚠ Once a vehicle stages, the pass is final. No reruns. No reinstatement. No exceptions. Guaranteed purses paid as advertised; payouts distributed by actual finishing positions only.
| ≤ 75 cars | First- or second-round re-entry permitted |
| > 75 cars | First-round re-entry only |
| Placement | Directly into the next competition round with all remaining winners |
| Separate round | No separate re-entry round will be conducted |
| Rounds 1–8 | Lane choice by first vehicle properly positioned in the lanes |
| QF – Finals | Lane choice by coin flip (event staff present) |
| Bye Runs | Awarded based on best winning package from previous round. Competitor may decline and remain eligible. Bye runner pulled from lanes and runs last. Full pass not required — may stage and back out. |
All vehicles must meet chassis certification requirements, hold a current competition license, and be equipped with all safety equipment required for the vehicle’s dial-in. Compliance is mandatory at all times.
XFWD Class
Front-wheel drive X-Class. Air intercoolers only. FWD-origin 4-cylinder vehicles must have engine mounted in the transverse position.
DriveFWD Only
Max Tire25.0″ × 9.5″
Fuel SG Max0.799
IntercoolerAir Only
Winner$17,000
Runner-Up$3,000
| Engine | Driveline | Max Turbo (Ind / Exd) | Nitrous | Min Weight |
|---|---|---|---|---|
| 4–6 cyl | FWD | Ind 64.9 / Exd 88.9 — Single, extended OK | OK | 2,250 lbs |
| 4–6 cyl | FWD | Ind 67.9 / Exd 102.9 — Single, extended OK | OK | 2,350 lbs |
| 4–6 cyl | FWD | Ind 73.9 / Exd 102.9 — Single, extended OK | OK | 2,400 lbs |
| Chassis | Complete stock chassis, floorboard, firewall & frame rails retained. Frame rails may be modified ahead of strut tower. Notching permitted. Aftermarket K-members OK. Spare tire well may be removed and covered with sheet metal. |
| Ground Clear. | Min 3″ from front of vehicle to 12″ behind front spindle; min 2″ for remainder (except oil pan and exhaust headers). Catch pan must not interfere with timing equipment. |
| Wheelbase | Within 3″ of factory specification |
| Suspension (F) | Upper strut mount stays at factory location. Adjustable caster/camber pillow-ball mounts OK. Lower arm may be strengthened (factory mount points maintained). Sway bars, limit straps, tower braces OK. Traction devices bolt-on only. |
| Suspension (R) | Aftermarket lower control arms, braces, tie bars, sway bars, limit straps OK. Min 1″ shock travel maintained. At least one working shock per wheel required. Bolt-on only; OEM mount points used. |
| Lights | Headlights & brake lights required. One headlight may be removed for induction. |
| Windows | OEM glass or Lexan permitted. If Lexan used: steel frame around window or window latch required. |
| Shifter | Air shifters prohibited. Each shift must be manual. Sequential transmissions OK. Trans-brake OK. |
| Fuel | Specific gravity max .799 (digital tester, 1% variance allowed). Drain valve required on return side of fuel rail or regulator. |
| Turbocharger | Must be commercially available “as sold.” No reducers, compressor milling, or cover modifications. Map groove max .250″ maintained around full circumference. |
| Nitrous | Any nitrous equipment incurs +100 lb penalty. If claiming turbo-only entry, all nitrous items must be removed. |
| Intercooler | Air intercoolers only. Water/methanol injection permitted. |
| Tires | Max 25.0″ × 9.5″ slick or DOT bias ply (sidewall designation checked) |
| Tow Vehicles | Permitted. Vehicle must reach scales under its own power. If disabled: crew notifies tech; official escorts retrieval. |
| Credentials | Competition + membership number required. NHRA comp license for 9.99 or quicker. 10.00+: valid government ID (beyond learner’s permit) or NHRA license. See NHRA Gen. Regs 10:4. |
Engine Containment: Engine diaper or catch pan device mandatory. Minimum 2″ lips on all sides, coved/curved inward. Must cover entire area below engine/transmission. Excessive oil spill on track may result in disqualification at event director’s sole discretion.
XAWD Class
All-wheel drive X-Class. Largest tire allowance in the X-Class lineup. Intercooling unrestricted. Chassis, suspension, and fuel rules same as XFWD.
DriveAWD
Max Tire (AWD)28.0″ × 11.5″
Max Tire (FWD)25.0″ × 9.5″
Fuel SG Max0.799
IntercoolerUnrestricted
Winner (vs XRWD)$8,000
Runner-Up$2,000
| Engine | Driveline | Max Turbo (Inducer) | Nitrous | Min Weight |
|---|---|---|---|---|
| 4 cylinder | AWD | Ind 73.9 / Exd 102.9 — Single, extended OK | OK | 2,300 lbs |
| 4 cylinder | AWD | Ind 76.9 | OK | 2,400 lbs |
| 4 cylinder | AWD | Ind 80.9 | OK | 2,500 lbs |
| 4 cylinder | AWD | Ind 83.9 | OK | 2,600 lbs |
| 6 cylinder | AWD | Ind 76.9 | OK | 2,600 lbs |
| 6 cylinder | AWD | Ind 80.9 | OK | 2,700 lbs |
| Chassis | Must retain complete stock chassis, floorboard, firewall, and frame rails. Frame rails may be modified in front of strut tower. Notching permitted. Aftermarket K-members permitted. Spare tire wheel well may be removed and covered with sheet metal. |
| Ground Clear. | Min 3″ from front of vehicle to 12″ behind front spindle centerline; min 2″ for remainder (except oil pan and exhaust headers). Catch pan/diaper must not interfere with timing equipment. |
| Wheelbase | Must be within 3″ of factory wheelbase. |
| Suspension (F) | Upper strut mount must remain at factory location. Adjustable caster/camber pillow-ball mounts permitted. Lower control arm may be strengthened (factory chassis mount points maintained). Strut tower braces, lower tie bars, sway bars, limit straps permitted. Traction devices bolt-on only. |
| Suspension (R) | Aftermarket lower control arms, braces, tie bars, sway bars, limit straps permitted. Min 1″ shock travel maintained. At least one working shock per wheel required. Bolt-on only; OEM mounts used. |
| Lights | Headlights and brake lights required. One headlight may be removed for induction. |
| Windows | OEM glass or Lexan permitted. If aftermarket doors or Lexan windows used: steel frame around window or window latch required. |
| Driveline | Aftermarket axles, ring & pinions, final drive, spools, and differentials permitted. |
| Transmission | Manual or auto permitted. Aftermarket bell housings permitted. Air shifters prohibited. Trans-brakes permitted. Each shift must be manual (driver pulls lever). Sequential transmissions permitted. |
| Clutch | Must be manually operated by driver’s foot. Any style permitted. |
| Fuel | Specific gravity max .799 (digital tester, 1% variance). Drain valve required on return side of fuel rail or regulator. |
| Engine | OEM or aftermarket blocks permitted. 4-cyl vehicles that came OEM as FWD or AWD must have engine in transverse location. |
| Turbocharger | Must be commercially available “as sold.” No reducers, compressor milling, or cover modifications. Inducer measured at leading edge (capture .200 of blade tip). Exducer max 2mm larger than backplate. Map groove max .250″ maintained around full circumference. |
| Nitrous | Any nitrous equipment incurs weight penalty. If claiming turbo-only entry, all nitrous items must be removed. |
| Intercooler | No restrictions. |
| Tires (AWD) | Max 28.0″ × 11.5″ slick or DOT bias ply. |
| Tires (FWD) | Max 25.0″ × 9.5″ slick or DOT bias ply. |
| Tow Vehicles | Permitted. Vehicle must reach scales under its own power. If disabled: crew notifies tech; official escorts retrieval. |
| Credentials | Competition + membership number required. NHRA comp license for 9.99 or quicker. 10.00+: valid government ID (beyond learner’s permit) or NHRA license. See NHRA Gen. Regs 10:4. |
Engine Containment: Engine diaper or catch pan device mandatory. Min 2″ lips on all sides, coved/curved inward. Must cover entire area below engine/transmission. Where exhaust header passes directly under oil pan, a 2-piece diaper may be used. Vehicles using OEM manual transmission cases must also have a device for the transmission. Excessive oil spill on track may result in disqualification at event director’s sole discretion.
XRWD Class
Rear-wheel drive X-Class. Mini tubs allowed. Wheelie bars prohibited. Radial tires limited to 275/60/15. Competes vs XAWD for purse.
DriveRWD
Max Slick28.0″ × 11.5″
Max Radial275/60/15
Mini TubsAllowed
Wheelie BarsProhibited
Winner (vs XAWD)$8,000
Runner-Up$2,000
| Engine | Driveline | Max Turbo (Inducer) | Nitrous | Min Weight |
|---|---|---|---|---|
| 4 cylinder | RWD – Manual | Ind 73.9 / Exd 102.9 — Single, extended OK | OK (+100 lbs) | 2,600 lbs |
| 4 cylinder | RWD – Auto | Ind 62.9 / Exd 112.9 — Single, extended OK | OK (+100 lbs) | 2,750 lbs |
| 6 cylinder | RWD – Manual | Ind 88.9 — Single | OK (+100 lbs) | 2,850 lbs |
| 6 cylinder | RWD – Auto | Ind 67.9 | OK (+100 lbs) | 2,850 lbs |
| 6 cylinder | RWD – Auto | Ind 73.9 | OK (+100 lbs) | 3,050 lbs |
| 6 cylinder | RWD – Auto | Ind 76.9 | OK (+100 lbs) | 3,250 lbs |
| Chassis | Must retain complete stock chassis, floorboard, firewall, and frame rails. Frame rails may be modified in front of strut tower. Notching permitted. Aftermarket K-members permitted. Spare tire wheel well may be removed and covered with sheet metal. Mini tubs allowed. |
| Ground Clear. | Min 3″ from front of vehicle to 12″ behind front spindle centerline; min 2″ for remainder (except oil pan and exhaust headers). Catch pan/diaper must not interfere with timing equipment. |
| Suspension | Must utilize stock front and rear suspension mounts (direct bolt-in factory location). Wheelie bars prohibited. |
| Lights | Headlights and brake lights required. One headlight may be removed for induction. |
| Windows | OEM glass or Lexan permitted. If aftermarket doors or Lexan windows used: steel frame around window or window latch required. |
| Driveline | Aftermarket axles, ring & pinions, final drive, spools, and differentials permitted. |
| Transmission | Any style automatic permitted; trans-brakes permitted. Stock-style clutch-assisted manuals with H-pattern permitted. Automated/pneumatic/electronic shifting mechanisms prohibited — each shift must be manual. Sequential transmissions permitted. |
| Clutch | Must be manually operated by driver’s foot. Any style permitted. |
| Fuel | Specific gravity max .799 (digital tester, 1% variance). Drain valve required on return side of fuel rail or regulator. |
| Engine | OEM or aftermarket blocks permitted. 4-cyl vehicles that came OEM as FWD or AWD must have engine in transverse location. |
| Turbocharger | Must be commercially available “as sold.” No reducers, compressor milling, or cover modifications. Inducer measured at leading edge (capture .200 of blade tip). Exducer max 2mm larger than backplate. Map groove max .250″ maintained around full circumference. |
| Nitrous | Any nitrous equipment incurs +100 lb weight penalty. If claiming turbo-only entry, all nitrous items must be removed. |
| Intercooler | No restrictions. |
| Tires | Maximum slick: 28.0″ × 11.5″. Radial tires limited to 275/60/15. |
| Tow Vehicles | Permitted. Vehicle must reach scales under its own power. If disabled: crew notifies tech; official escorts retrieval. |
| Credentials | Competition + membership number required. NHRA comp license for 9.99 or quicker. 10.00+: valid government ID (beyond learner’s permit) or NHRA license. See NHRA Gen. Regs 10:4. |
Engine Containment: Engine diaper or catch pan device mandatory. Min 2″ lips on all sides, coved/curved inward. Must cover entire area below engine/transmission. Excessive oil spill on track may result in disqualification at event director’s sole discretion.
XWORLD Class
Open to FWD and AWD. No nitrous permitted for FWD entries. Air intercoolers only. Widest turbo/weight configuration matrix in the X-Class lineup.
DriveFWD / AWD
IntercoolerAir Only
FWD NitrousNot Permitted
AWD NitrousOK (+100 lbs)
Winner$8,000
Runner-Up$2,000
| Engine | Drive | Max Turbo Configuration | Nitrous | Min Wt. |
|---|---|---|---|---|
| 4 cyl | FWD | Ind 63.9 / Exd 88.9 / Turb 66.9 (GXR +125, Apex +150) | No | 2,300 |
| 4 cyl | FWD | Ind 64.9 / Exd 88.9 / Turb 69.9 (Apex +100) | No | 2,450 |
| 4 cyl | FWD | PTE Gen 1 — Comp 67.9 / Turb 66.9 | No | 2,400 |
| 4 cyl | FWD | PTE Gen 2 — Comp 67.9 / Turb 69.9 | No | 2,450 |
| 4 cyl | FWD | PTE Next Gen — Comp 67.9 / Turb 69.9 | No | 2,500 |
| 5–6 cyl | FWD | Ind 73.9 / Exd 102.9 (extended OK) | No | 2,500 |
| VW VR6 | FWD | Ind 73.9 / Exd 102.9 (extended OK) | No | 2,400 |
| 4 cyl | FWD | NITRO AM | No | 1,700 |
| 6 cyl | FWD | NITRO AM | No | 1,850 |
| 4 cyl | AWD | Ind 64.9–68.9 / Exd 102.9 (extended OK) | OK (+100) | 2,700 |
| 4 cyl | AWD | Ind 73.9 / Exd 102.9 (extended OK) | OK (+100) | 2,900 |
| 4 cyl Mazda | FWD | Ind 73.9 / Exd 102.9 (extended OK) | No | 2,500 |
| Chassis | Must retain complete stock chassis, floorboard, firewall, and frame rails. Frame rails may be modified in front of strut tower. Notching permitted. Aftermarket K-members permitted. Spare tire wheel well may be removed and covered with sheet metal. |
| Ground Clear. | Min 3″ from front of vehicle to 12″ behind front spindle centerline; min 2″ for remainder (except oil pan and exhaust headers). Catch pan/diaper must not interfere with timing equipment. |
| Wheelbase | Must be within 3″ of factory wheelbase. |
| Suspension (F) | Upper strut mount must remain at factory location. Adjustable caster/camber pillow-ball mounts permitted. Lower control arm may be strengthened (factory mount points maintained). Strut tower braces, lower tie bars, sway bars, limit straps permitted. Traction devices bolt-on only. |
| Suspension (R) | Aftermarket lower control arms, braces, tie bars, sway bars, limit straps permitted. Min 1″ shock travel maintained. At least one working shock per wheel required. Bolt-on only; OEM mounts used. |
| Lights | Headlights and brake lights required. One headlight may be removed for induction. |
| Windows | OEM glass or Lexan permitted. If aftermarket doors or Lexan windows used: steel frame around window or window latch required. |
| Driveline | Aftermarket axles, ring & pinions, final drive, spools, and differentials permitted. |
| Transmission | Manual or auto permitted. Aftermarket bell housings permitted. Air shifters prohibited. Trans-brakes permitted. Each shift must be manual (driver pulls lever). Sequential transmissions permitted. |
| Clutch | Must be manually operated by driver’s foot. Any style permitted. |
| Fuel | Specific gravity max .799 (digital tester, 1% variance). Drain valve required on return side of fuel rail or regulator. |
| Engine | OEM or aftermarket blocks permitted. 4-cyl vehicles that came OEM as FWD or AWD must have engine in transverse location. |
| Turbocharger | Must be commercially available “as sold.” No reducers, compressor milling, or cover modifications. Inducer measured at leading edge (capture .200 of blade tip). Exducer max 2mm larger than backplate. Map groove max .250″ maintained around full circumference. |
| Nitrous | Any nitrous equipment incurs weight penalty. If claiming turbo-only entry, all nitrous items must be removed. FWD entries: nitrous not permitted. |
| Intercooler | Air intercoolers only. Water/methanol injection permitted. |
| Tires (AWD) | Max 28.0″ × 11.5″ slick or DOT bias ply. |
| Tires (FWD) | Max 25.0″ × 9.5″ slick or DOT bias ply. |
| Tow Vehicles | Permitted. Vehicle must reach scales under its own power. If disabled: crew notifies tech; official escorts retrieval. |
| Credentials | Competition + membership number required. NHRA comp license for 9.99 or quicker. 10.00+: valid government ID (beyond learner’s permit) or NHRA license. See NHRA Gen. Regs 10:4. |
Engine Containment: Engine diaper or catch pan device mandatory. Min 2″ lips on all sides, coved/curved inward. Must cover entire area below engine/transmission. Excessive oil spill on track may result in disqualification at event director’s sole discretion.