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

21 Attention SSE Competitors Monday, 16 December 2019
22 Attention all SKUSA Winter Series Competitors Monday, 16 December 2019
23 Fuel and Oil Announcement for SuperNats 23 Tuesday, 15 October 2019
24 X30 Ignition Timing Clarification Tuesday, 15 October 2019
25 Reminder for all SKUSA Competitors and Engine Builders Tuesday, 17 September 2019
26 Update and Clarification of IAME Engine Port Regulations Tuesday, 10 September 2019
27 Attention Summernats And Great Lakes PKC Competitors In SSE Classes Friday, 02 August 2019
28 Tillotson Carburetor Clarification Friday, 02 August 2019
29 SSE Wrist Pin Specifications Thursday, 01 August 2019
30 SSE Data Acquisition Tuesday, 30 July 2019
31 SKUSA Rulebook Updates Effective Immediately Tuesday, 25 June 2019
32 Attention SpringNats Competitors In SSE Classes Thursday, 25 April 2019
33 Attention All SKUSA Competitors Tuesday, 16 April 2019
34 Attention X30, KA100 and Swift Competitors Thursday, 11 April 2019
35 IAME Oil Announcement Monday, 18 February 2019
36 To SKUSA Competitors and Engine builders: Friday, 08 February 2019
37 Attention Winter Series SSE Competitors Thursday, 17 January 2019
39 Revision to X30 Header/Flex Rule Posted 13 December 2018 Friday, 21 December 2018
40 First SKUSA Rulebook Updates for the 2019 Season Wednesday, 12 December 2018
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