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, X58, and Heavyweight). Payouts will be adjusted proportionally if a full field is not reached.
16-car field outlaw class. Heads-up, single elimination on a Pro Tree. H-pattern clutch-assisted transmissions required. All NHRA safety rules apply.
Sponsored by
Distance1/4 Mile
TreePro Tree
FormatHeads Up
EliminationSingle
Field16-Car Outlaw
Winner$8,000
Runner-Up$2,000
General Safety
All vehicles must comply with NHRA safety rules.
Body
No restrictions
Chassis
No full tube chassis allowed
Suspension
No restrictions
Windows
OEM glass or Lexan/composite permitted
Interior
Not required
Exhaust
Not required
Electronics
No restrictions
Driveline
Aftermarket axles, ring & pinions, final drive, spools, and differentials permitted
Clutch
Must be manually operated by driver’s foot
Shifter
Must retain H-pattern clutch-assisted transmission. Air shifters and electric shifters are PROHIBITED. Strain gauge permitted.
Fuel
All fuels permitted
Tires
Max 28×10.5W slick or 275/60/15 drag radial
Engine / Power Adder
No 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.
Sponsored by
Distance1/4 Mile
TreePro Tree
FormatHeads Up
TransmissionDCT / Auto / Seq.
EngineNo Restrictions
Field16-Car
Winner$8,000
Runner-Up$2,000
General Safety
All vehicles must comply with NHRA safety rules.
Chassis
Must 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.
Electronics
Two-steps, data loggers, aftermarket ECUs, and engine management systems permitted
Driveline
Aftermarket axles, ring & pinions, final drive, spools, and differentials permitted
Transmission
Any DCT or automatic transmission permitted. Transbrakes permitted. Must be AWD or DCT. 4-cylinder vehicles may run sequential transmission.
Engine
No restrictions
Tires
DCT: 17″ wheel min. No 15s allowed. AWD: any size tire/wheel combo.
Power Adders
6-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.
Sponsored by
Distance1/4 Mile
TreePro Tree
FormatHeads Up
Field16-Car
EngineB58 / S58 Only
Power AddersNo Restrictions
Winner$8,000
Runner-Up$2,000
General Safety
All vehicles must comply with NHRA safety rules.
Body
Vehicle must retain factory quarter panels.
Engine
Vehicle must be originally equipped with and retain a B58 or S58 engine.
Chassis
Must retain complete stock chassis, firewall, and frame rails. Notching for clearance permitted.
Electronics
Two-steps, data loggers, aftermarket ECUs, and engine management systems permitted.
Driveline
Aftermarket axles, ring & pinions, final drive, spools, and differentials permitted.
Transmission
OEM-style transmission only. Transmission internals may be built/upgraded.
Power Adders
No restrictions.
Heavyweight
16-car field heads-up class for heavy vehicles. Minimum 4,000 lbs with driver. No GTRs or Mustangs. All NHRA safety rules apply.
Sponsored by
Distance1/4 Mile
TreePro Tree
FormatHeads Up
Field16-Car
Min Weight4,000 lbs
Max Ballast200 lbs
Winner$8,000
Runner-Up$2,000
⚠ Weight & Eligibility Notice: Minimum weight is 4,000 lbs with driver. Maximum ballast weight is 200 lbs — ballast must be secured and strapped during tech and all runs. No GTRs or Mustangs permitted. Vehicle must have a hood.
General Safety
All vehicles must comply with NHRA safety rules.
Body
Vehicle must retain factory quarter panels. Must have a hood.
Engine
Any
Fuel
All fuels permitted. No methanol in the main tank.
Chassis
Must retain complete stock chassis, firewall, and frame rails. Notching for clearance permitted.
Electronics
Two-steps, data loggers, aftermarket ECUs, and engine management systems permitted.
Driveline
Aftermarket axles, ring & pinions, final drive, spools, and differentials permitted.
Transmission
Any
Power Adders
No restrictions.
Min Weight
4,000 lbs with driver. Maximum ballast: 200 lbs. Ballast must be secured and strapped during tech and all runs.
Exclusions
No GTRs or Mustangs permitted.
Index Classes
Quarter-mile heads-up racing on a .400 Pro Tree. Catch-pan / diaper required for all index vehicles. Included here for quick reference — for the complete NDRA rulebook, visit the official NDRA Rules & Regulations page.
Distance1/4 Mile
Tree.400 Pro (All Classes)
Breakout8.50
FieldAll Run
General Safety
Must meet NHRA & track safety rules.
Body
Full-bodied, street-appearing vehicles
Tree
.400 Pro Tree for all classes
Field
All run field
Electronics
Throttle stops and starting line enhancers prohibited.Delay boxes allowed.
