NOPI Street Car Challenge

Street Car Challenge
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 SCC Stick Shift SCC DCT vs AWD X58 ▶ View Event

Purses

2026 NOPI Street Car Challenge Championship Series payouts. All classes run a 16-car field.

⚠ Purse Contingency Notice: All listed purse amounts are based on a full car field. Full fields are defined as 16 cars for all classes (SCC Stick Shift, SCC DCT vs AWD, and X58). Payouts will be adjusted proportionally if a full field is not reached.
▶ Class Purses *Based on full 16-car field
SCC Stick Shift *16-car field
Winner$8,000
Runner-Up$2,000
SCC DCT vs AWD *16-car field
Winner$8,000
Runner-Up$2,000
X58 *16-car field
Winner$8,000
Runner-Up$2,000
▶ View Event Details & Tickets

SCC Stick Shift

16-car field outlaw class. Heads-up, single elimination on a Pro Tree. H-pattern clutch-assisted transmissions required. All NHRA safety rules apply.

Distance1/4 Mile
TreePro Tree
FormatHeads Up
EliminationSingle
Field16-Car Outlaw
Winner$8,000
Runner-Up$2,000
General SafetyAll vehicles must comply with NHRA safety rules.
BodyNo restrictions
ChassisNo full tube chassis allowed
SuspensionNo restrictions
WindowsOEM glass or Lexan/composite permitted
InteriorNot required
ExhaustNot required
ElectronicsNo restrictions
DrivelineAftermarket axles, ring & pinions, final drive, spools, and differentials permitted
ClutchMust be manually operated by driver’s foot
ShifterMust retain H-pattern clutch-assisted transmission. Air shifters and electric shifters are PROHIBITED. Strain gauge permitted.
FuelAll fuels permitted
TiresMax 28×10.5W slick or 275/60/15 drag radial
Engine / Power AdderNo restrictions. Exception: big block engines max bore space 4.600″ — naturally aspirated or nitrous only.

SCC DCT vs AWD

Heads-up quarter-mile battle between DCT and AWD-equipped vehicles. Stock chassis and frame rails required. DCT, automatic, or sequential transmissions permitted. All NHRA safety rules apply.

Distance1/4 Mile
TreePro Tree
FormatHeads Up
TransmissionDCT / Auto / Seq.
EngineNo Restrictions
Field16-Car
Winner$8,000
Runner-Up$2,000
General SafetyAll vehicles must comply with NHRA safety rules.
ChassisMust retain complete stock chassis, firewall, and frame rails. Notching for clearance permitted. Front beam tripper permitted — may not extend more than 45″ forward of the front wheel centerline.
ElectronicsTwo-steps, data loggers, aftermarket ECUs, and engine management systems permitted
DrivelineAftermarket axles, ring & pinions, final drive, spools, and differentials permitted
TransmissionAny DCT or automatic transmission permitted. Transbrakes permitted. Must be AWD or DCT. 4-cylinder vehicles may run sequential transmission.
EngineNo restrictions
TiresMax 28×10.5×15W slick. Any size tire permitted for 17″ diameter or larger wheel.
Power Adders6-cylinder or larger engines: limited to one (1) power adder. 5-cylinder and smaller engines: up to two (2) power adders permitted.

Street Car Challenge — X58

B58/S58-powered vehicles only. OEM-style transmission required. Heads-up, single elimination on a Pro Tree. All NHRA safety rules apply.

Distance1/4 Mile
TreePro Tree
FormatHeads Up
Field16-Car
EngineB58 / S58 Only
Power AddersNo Restrictions
Winner$8,000
Runner-Up$2,000
General SafetyAll vehicles must comply with NHRA safety rules.
BodyVehicle must retain factory quarter panels.
EngineVehicle must be originally equipped with and retain a B58 or S58 engine.
ChassisMust retain complete stock chassis, firewall, and frame rails. Notching for clearance permitted.
ElectronicsTwo-steps, data loggers, aftermarket ECUs, and engine management systems permitted.
DrivelineAftermarket axles, ring & pinions, final drive, spools, and differentials permitted.
TransmissionOEM-style transmission only. Transmission internals may be built/upgraded.
Power AddersNo restrictions.