Pre registration is CLOSED for the 2021 California ROK Championship Buttonwillow Event. Please register at the track starting at 7:30am on Friday May 7th.

Pre entry deadline was May 1, 2021. Any entries posted after midnight the May 1st are subject to $100 late fee.

$500 Entry fee includes practice Friday and race on Saturday with one set of LeVanto tires for the class entered. Each driver who enters the event will receive their driver pass along with one other for a mechanic/helper. Extra pit passes will be available at the event.

Racers are asked to bring their own Sunoco Supreme fuel and Motul oil. No fuel or oil will be available for purchase through the California ROK Championship onsite. CRC asks you to purchase these items through your team or favorite kart shop. Practice tires, and transponders can be purchased as extras when registering via MOM.