The ROK Sonoma Karting Championship presented by ROK CUP Promotions is a set of competitive regional kart racing series offering a comprehensive set of classes, strong competition, organized events, and a relaxed atmosphere. At the center of the ROK Sonoma Karting Championships is ROK engine platform, with full support from ROK Cup USA and Vortex/OTK. All races are contested within Northern California (San Francisco Bay Area) at Sonoma Raceway’s Karting Center.
The ROK Sonoma Cup is composed of a subset of ROK classes, collectively referred to as the Northern California ROK Cup. The SKC/NCRC is one of the largest local ROK Cup series in the United States and offers racers the ability to participate in the excellent ROK ladder system as well as national and international competition. The RSC is guided by the Sanzaru Karting Championships Supplemental Rules as well as the National and International ROK Cup rulebooks.
Registration is a 3 Step process.
Step 1 – Registration Form
Step 2 – Race Shop
Purchase Practice, Practice Tires, Fuel & Oil.
Step 3 – Sign Driver E – Waiver
Passes will be sold at the track.
ROK classes
Registration includes:
1 race entry, 2 pit passes, 1 set of race tires, 1 fuel, 1 oil and Saturday practice
ROK MICRO / ROK MINI $593.00
ROK VLR Classes / ROK SHIFTER Classes $630.00
Registration includes:
1 race entry, 2 pit passes, 1 set of race tires and Saturday practice
Rain tires for all classes: Levanto Wet Rain – Mandatory for Practice and Race
Only Vortex engines are allowed during practice and race days
Dry tires for all classes: Levanto KRT – Mandatory for Practice and Race
Classes
| CLASS | AGE | WEIGHT | ENGINE | WIDTH | KART # | NOTES |
| ROK Micro | 7 to 9 | 245lbs. | Mini ROK | 50in. | 1–99 | Gear Selection 11/82 or 10/75. Chest Protectors MANDATORY |
| ROK Mini | 8 to 12 | 245lbs. | Mini ROK | 50in. | 100–199 | Chest Protectors are MANDATORY for all drivers under 13 years of age. |
| ROK Junior VLR | 12 to 15 | 310lbs | ROK VLR | 55 1/8 in. | 800-899 | Exhaust restrictor. Chest Protectors are MANDATORY for all drivers under 13 years of age. |
| ROK Senior VLR | 15+ | 350lbs | ROK VLR | 55 1/8 in. | 900-999 | |
| ROK Master VLR | 32+ | 380lbs | ROK VLR | 55 1/8 in. | 700-799 | |
| ROK Shifter | 15+ | 395lbs | ROK Shifter | 55 1/8 in. | 400-499 | |
| ROK Master Shifter | 32+ | 410lbs | ROK Shifter | 55 1/8 in. | 500-599 | |
| 125 ROK Shifter Limited | 35+ | 410lbs | ROK Shifter | 55 1/8 in. | 1–99 | Exhaust restrictor |
| 206 Senior | 15+ | 360lbs | Briggs & Stratton | 1–99 |
Rain tires for all classes: Levanto Wet Rain – Mandatory for Practice and Race
Only Vortex engines are allowed during practice and race days
Dry tires for all classes: Levanto KRT – Mandatory for Practice and Race
| ITEM | PRICE | |
| Practice One Day | $ 75.00 | |
| Practice Two Days | $ 125.00 | |
| Pit Pass | $ 25.00 | |
| Transponder Rental | $ 30.00 | |
| Levanto Tire Set 4.5 | $ 225.00 | |
| Levanto Tire Set 4.5/7.10 | $ 245.00 | |
| Levanto Tire Set 4T | $ 229.00 | |
| Sunoco Race Fuel (5 gals) | $ 105.00 | |
| Eni Oil 2T | $ 34.00 | |
| taxes not included* | ||
For more information please email us at: info@rokcupusa.com
ROK Sonoma Triple Crown Prize Package:
*If you have already won a full Vegas ticket, see ROK Cup USA staff for alternate prize choices. (RIO room package most likely)
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