SuperNats XXV


2023 Winter Series

2023 TBA

2022 Pro Tour


SKUSA Mexico


PKC California


Texas Sprint Racing


Superkarts! USA - Rulebook & Updates

Please make sure you have the most current version of the rulebook.  We will always update the rulebook and detail the changes below.

alt 2022 SKUSA RuleBook
Current Version: 4/20/2022

IMPORTANT: There was a substantial amount of work into this version of our rulebook. We HIGHLY ADVISE that you review the Rulebook in its entirety to familiarize yourself with it. The changes this round were too numerous to highlight in yellow as we previously have, but we will continue to do that moving forward in addition to adding a change log.

The engine supplementals that used to be below, have been integrated into the current rulebook.
alt Engine Spec: IAME SKUSA Shifter Engine (SSE)
Current Version: 11/12/2020
alt Engine Spec: X30
Current Version: 12/23/2021
alt Engine Spec: KA100
Current Version: 04/11/2022
alt Engine Spec: IAME Mini Swift
Current Version: 11/12/2020
alt Legacy Spec Honda Shifter Rules
Current Version: 01/01/2022

Rulebook Updates

61 Attention: Micro/Mini/X30 Junior Competitors Notice regarding Chest Protectors Thursday, 23 February 2017
62 Update #2 to SKUSA requirements for Helmets and Youth Chest protectors - Effective January 1, 2017 Monday, 12 December 2016
63 Update to SKUSA requirements for Helmets and Youth Chest Protectors - Effective January 1, 2017 Wednesday, 09 November 2016
64 Rule Update for Swift Classes regarding Alternate Clutch Test Wednesday, 22 June 2016
65 Rule Updates from SKUSA regarding IAME X30 Spark Plugs and Engine Claiming Thursday, 09 June 2016
66 Reminder of SKUSA’s Racing Age/Category Regulation Wednesday, 06 April 2016
67 SKUSA Rule Updates for X30 Classes to take effect 4/17/16 Thursday, 17 March 2016
68 SKUSA Announces Spec Fuel Change Thursday, 17 March 2016
69 Updated 2016 SKUSA Rulebook -- with Revised Mini/Micro Swift class details Saturday, 09 January 2016
70 Minor SKUSA rule updates and clarifications for TaG Drivers Thursday, 22 October 2015
71 Updated Exhaust Info For KZ2 Competitors At Supernats 19 Wednesday, 14 October 2015
72 2015 SKUSA Rulebook Clarifications as of 9/3/15 Thursday, 03 September 2015
73 Minor Updates to IAME Mini Swift Supplementary Rules Posted Tuesday, 26 May 2015
74 Important Rule Clarification for SKUSA TaG Cadets Friday, 24 April 2015
75 Latest SKUSA Rule Updates and Clarifications Wednesday, 25 March 2015
76 IAME X30/MY09 Clutch Information Update Tuesday, 17 February 2015
77 New SKUSA/ProKart Challenge Regional Series Rules Regarding Spec Fuel As announced 2-7-2015 in PKC-CA Driver’s Meeting Wednesday, 11 February 2015
78 Information Update from SKUSA regarding TAG Senior, TAG Master and X30 Friday, 02 January 2015
79 Rule Clarifications and Upcoming Rule Changes: Honda cylinders, SKUSA TAG classes and IAME/X30 Friday, 19 September 2014
80 SKUSA Rulebook Updates as of 6/27/14 Friday, 27 June 2014
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