Go Pro Karting Championship


The ROK Cup USA kart racing series is a division of the internationally recognized ROK Cup racing program, powered by the Vortex Engine package. The program promotes parity within the classes, and the parent series, ROK Cup, is an FIA Authorized International Series with a 15-year history in over 32 countries. Powered by the Vortex Engine platform, ROK Cup USA offers a competitive racing package throughout its promoted series, including the Florida Winter Tour, ROK Festivals, and ROK the RIO events, as well as the Challenge of the Americas, a burgeoning regional club program throughout the United States and multiple series in Canada.

All the best ROKKERS from around the world have the opportunity to take part in the prestigious ROK Cup International Final, an international event that crowns global ROK Champions. In 2017, the ROK Cup International Final had a record number of countries represented, 49 from five continents, and saw 415 ROKKERS take to the grid.

The RoK Concept

ROK Cup USA is powered by Vortex Engines. The Vortex engine is a fast, consistent, and reliable engine package produced in Italy. The engines are powerful and competitive within their respective classes and operate with low running costs.

Vortex designed their engines with four admirable qualities: easy to use, high performance, low maintenance cost and regulations stability. While easy to use, ROK engines provide a racing platform for all ages and expectations, to the novice racer to world-class professional drivers. Each ROK engine in the range has been planned and designed to obtain high-level performance. Combined with low maintenance costs and consistently value over time, as well as regulations stability that allow a driver to race most seasons with the same engine at a high level, the ROK Vortex package is a best bet in today’s karting market.

Classes Summary

The ROK Cup USA class structure is consistent with the program recognized around the world: Micro ROK, Mini ROK, ROK Junior, ROK Senior, ROK Master, ROK Shifter and ROK Shifter Master.

Class Age Weight Engine Rear Width Other
Micro ROK 7-9 230lbs. Mini ROK 50in. Fixed Gear, Carb Jets. Exhaust restrictor.
Mini ROK 8-12 245lbs. Mini ROK 50in.
ROK Junior 12-15 330lbs. ROK GP 55 1/8 in. Exhaust restrictor
ROK Senior 15+ 360lbs. ROK GP 55 1/8 in.
ROK Master 32+ 380lbs. ROK GP 55 1/8 in.
ROK Shifter 15+ 385 lbs. ROK Shifter 55 1/8 in.
ROK Shifter Mstr 32+ 405 lbs. ROK Shifter 55 1/8 in.
Evolution Concept

By upgrading or downgrading various accessories and comonents a 125 Micro Max engine configuration can be easily converted to a 125 Max configuration.