The F Series

Our Mission

On a steady path of improved of  rules and regulations with our class structure. We are driven to continue to fine tune the  program to create a trouble free enviroment in racing. Striving to provide fair and fierce competition our team of dedicated officials are always willing to help answer any concerns at the track or off. Follow this link to request any information you might need.

Why choose us?

We are committed to working hard to serve you better!

Sporting Regulations
Technical Regulations

2025 Class Structure

Formula Cadet

Age 7 to 12 years 
Vortex Mini 60      240 lbs
Tires LeCont Red 
Gas & Oil only
Front Drive Gear for Both Engines must be 11 or 10 Tooth 
Engines , Karts and class specific rules per F-Series / Rok Cup Rules Manual. Chest protector is mandatory. Drivers under 8 years of age must submit racing resume and apply for F-Series competition license to obtain race clearance.

Formula 125

Age 15 and up
Vortex Rok GP 380lbs
Tires LeCont White 
Gas & Oil only engines, exhaust and karts per Rok Cup USA

Formula Shifter

Age 15 and up
Weight Honda 375 – Rok 385 – KZ 395
Tires: LeCont Option 
2 Hole maximum airbox CIK/FIA only 
Mandatory Foam/Fabric air box filter element 
All stated items must be present during all on track sessions, if rules are disregarded this will result in disqualification from event. 

JB 4

Age 15 and up
Predator Ghost 385lbs 
Tires LeCont Red or Levanto White
91 Octane NON Ethanol Gasoline only                                    Clutch retail limit $100 max.            
Exhaust: Ghost Kit or Clone Spec Pipe (P/N 5507                Spec Silencer P/N4104                   
Rear Tire 7.10                                                                                Chassis design must be 5 years of age from the year in competition. Chassis condition can be new but homoligation tag must show age requirement. 

Engines, exhaust and karts per F-Series Tech manual

JB 4 Light

Age 15 and up
Predator Ghost 340lbs 
Tires LeCont Red or Levanto White
91 Octane NON Ethanol Gasoline only                                    Clutch retail limit $100 max.            
Exhaust: Ghost Kit or Clone Spec Pipe (P/N 5507               
Spec Silencer P/N4104                   
Rear Tire 7.10                                                                                Chassis design must be 5 years of age from the year in competition. Chassis condition can be new but homoligation tag must show age requirement. 

Engines, exhaust and karts per F-Series Tech manual

JB 4 Junior

Age 12 and up
Predator Ghost 300lbs 
Tires LeCont Red or Levanto White
91 Octane NON Ethanol Gasoline only                                    Clutch retail limit $100 max.            
Exhaust: Ghost Kit or Clone Spec Pipe (P/N 5507               
Spec Silencer P/N4104                   
Rear Tire 7.10                                                                                Chassis design must be 5 years of age from the year in competition. Chassis condition can be new but homoligation tag must show age requirement. 

Engines, exhaust and karts per F-Series Tech manua

Pre and Post Tech Inspection: Will be preformed at every event and is mandatory to redeem point towards the year end points championship. Tech Official will be on hand throughout race weekend to assist with any questions.

Fuel will be checked during event: Fuels allowed are Sunoco 112 for two stroke or 91 octane Non Ethenol for Ghost engines. Technical official will be on hand during race weekends to test fuels.

TIRES will be marked and scanned with barcode scanner post qualifying weigh in, also monitored during event. Absolutely no tire prep allowed.

In the event of a wet race and the use of intermediate or full wet Levanto spec tires is mandatory. Tires must be pre ordered 14 days before event to ensure availability. Race must be 50% complete to be counted as a result in the year end points.

Please continue to check for updates since rules will be monitored and could be adjusted to continue fair competition.

For more information please contact us at 732-850-1893 or [email protected]