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California ProKart Challenge

New SKUSA/ProKart Challenge Regional Series Rules Regarding Spec Fuel As announced 2-7-2015 in PKC-CA Driver’s Meeting
Written by John Motley - National Technical Director   
Wednesday, 11 February 2015 09:20
We have been reviewing our fuel policy for some time, and we appreciate the input many of you have given us. We have discussed this issue with numerous racers, engine builders and kart teams across the country, and appreciate everyone’s candor and input. As a result of that input, we have decided to implement the following changes to our 2015 Spec Fuel program, effective immediately:
  • Drivers in the Stock Honda classes may now choose either VP MS98 or VP C12 as the spec fuel for their use at SKUSA events
  • All other classes will continue to use VP MS98 as the exclusive spec fuel at SKUSA events
  • Motul 2T Grand Prix will continue to be the spec oil for SKUSA events.
Additionally, as a test for the next two California Regional PKC events (Willow Springs and Buttonwillow), SKUSA/PKC will not be selling/providing any fuel. SKUSA/PKC will continue to sell/provide the Motul spec oil in 1 liter bottles for purchase at all events (as well as welcome racers to bring their own, as long as it is spec).

We hope that these program adjustments will be a welcome and successful transition for our racers as well as the kart shops and teams that support our program – especially as fuel is available thru most of these organizations. We also encourage racers to begin making arrangements now to acquire the necessary fuel for their next PKC-CA event.

One very important fuel restriction here will be:

Only sealed 5-gallon cans of fuel will be allowed to be brought into each PKC event described above. DUE TO LOCAL FIRE ORDINANCES and insurance restrictions, no 55-gallon drums will be allowed to be brought in.

Other SKUSA Regions may elect to continue to provide fuel at their events, so please consult their posted rules or inquire prior to those events.

SKUSA will continue to be the exclusive supplier of the fuel at the 2015 Pro Tour and SuperNationals events, and no fuel will be allowed to be brought into these events by the competitors or outside sources.
Successful Opening Act in the Wet for 2015 California ProKart Challenge Program
Wednesday, 11 February 2015 09:05

Sonny Cervelli escaped Buttonwillow as the victor in TaG Senior (Photo:

The 2015 season began for the California ProKart Challenge, the flagship regional program of Superkarts! USA, under changing conditions at the Buttonwillow Raceway Park over February 6-7. Now entering its 11th year, the six-round championship series welcomed sunny skies for practice day, then was hit by cooler temperatures and rain falling from the clouds that surrounded the 7/10-mile course on race day. A revised class structure welcomed 159 entries over the now 11 categories offered this season, including a record 42 TaG Cadet/Cadet Rookie drivers. For many drivers, Saturday’s victory was their first in the series – or at least a first in their new category – as the chase for a piece of the $75,000 prize package in 2015 begins.
Online Store is Closed for PKC Round 1 at Buttonwillow – But we will have Rain Tires at the track!
Wednesday, 04 February 2015 16:06
In case you saw the latest weather forecast, there is now a chance of rain this weekend in Buttonwillow. But don’t fret if you do not have a set of Rain Tires in your trailer! We race --rain or shine -- and we will bring extra rain tires to the track. No need to pre-order them now, as we will bring everything we have.

The PKC Registration desk will be open for check-in and on-site purchases starting Friday morning at 7:00am and Saturday morning starting at 6:30am. We were also able to get extra pit spots and camping spots in Row 6 for our attendees, so you will also have a place to park and can camp on site upon arrival! Here is the latest pit map, and here is the latest TENTATIVE EVENT SCHEDULE (which was recently adjusted to accommodate drivers running 2 classes).

See you there!
Don’t Miss our Pre-Entry cut-off this Tuesday Night for our Exciting PKC Season Opener!
Monday, 02 February 2015 09:56
It’s time to race! The California ProKart Challenge is ready to ROCK – with close to 100 entries already, the 2015 kickoff race is off the hook! Click HERE for all event details, and HERE to register to race, purchase a pit spot, or sign up for your SKUSA membership. Tuesday night 2/3 at midnight is the pre-entry cutoff! If you miss that, you can still sign up at the track – it will just cost you a little more. Our pit map is SUPER full!

See you in Buttonwillow this weekend!
California ProKart Challenge Readies for 2015 Opener
Thursday, 29 January 2015 12:58

Grids are expected to be full once again when the California ProKart Challenge begins the 2015 season in Buttonwillow (Photo:

The 2015 season is set to get underway for the Superkarts! USA organization, as the flagship regional program California ProKart Challenge is set to host its opening round of competition. Scheduled for February 6-7 at the Buttonwillow Raceway Park, SKUSA is expecting another large turnout for the season opener as the paddock is almost full with pit spots reservations, huge numbers of new applications are streaming in for SKUSA memberships, and former racers are making an exciting return to the track.

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