SuperNats XXVII

203DAYS

2025 Winter Series

261DAYS

2024 Pro Tour

51DAYS

SKUSA Mexico

30DAYS

2024 PKC

24DAYS

2024 TSRS

9DAYS

SKUSA Winter Series

2024 Winter Series Classes

Rules Notes

105.3 Age Criteria"  A driver’s ‘racing age’ is their age on Jan 1. If they will become eligible for the next higher class in the same calendar year, they may ‘move-up’ at any time during the season.
Please note that once a driver moves up, they cannot move back down. See 105.3.1 for more details.

Spec Tires: Classes using Hard compound tires will use the NEW MG SH2 Hard "Red" tires, and classes using Medium compound tires will use the current Evinco SKM Medium "Red" tires.


SSE/KZ CLASSES

  • Push Back Bumpers - PBB Brackets must be retained, but deployments will not be penalized.
  • (1) Set of Evinco Race Tires Per Round Required
Pro Shifter
sponsored by PSL Karting
Engine: KZ 125cc
Age: 15+
Weight: 390 lbs
Tires: Evinco Med Spec from SKUSA
Kart # 10-99
Master Shifter
sponsored by Inter MS
Engine: IAME SSE 175cc / KZ 125cc
Age: 30+
Weight: 405 lbs
Tires: Evinco Med Spec from SKUSA
Kart # 600-699
 

IAME SWIFT CLASSES

  • Push Back Bumpers - REQUIRED.
  • (1) Set of MG Race Tires Per 2-Round Weekend Allowed
Micro Swift
sponsored by Team URACE
Engine: IAME Mini Swift 60 + 16mm factory header
Age: 7-10
Weight: 220 lbs
Tires: New MG SH2 Hard Spec from SKUSA
Additional Equipment: Neck brace & SFI-approved chestprotector required
Kart # 200-299
Mini Swift
sponsored by TKG Kart Republic
Engine: IAME Mini Swift 60
Age: 9-13
Weight: 245 lbs
Tires: New MG SH2 Hard Spec from SKUSA
Additional Equipment: Neck brace required; SFI-approved chest protector required for drivers 12 & under
Kart # 100-199
 

IAME KA100 Classes

  • Push Back Bumpers - REQUIRED.
  • (1) Set of MG Race Tires Per Round Required
KA100 Senior
sponsored by Sodi Racing USA
Engine: IAME KA100
Age: 15+
Weight: 355 lbs
Tires: New MG SH2 Hard Spec from SKUSA
Kart # 900-999
KA100 Master
by Alessandros Racing Heraldo Media Group
Engine: IAME KA100
Age: 30+
21-29 (200 lb racing weight of driver)
Weight: 390 lbs // 400 lbs (21+)
Tires: New MG SH2 Hard Spec from SKUSA
Kart # 400-499
KA100 Junior
sponsored by Nash Motorsportz
Engine: IAME KA100 + 22mm factory header
Age: 12-15
Weight: 320 lbs
Tires: New MG SH2 Hard Spec from SKUSA
Additional Equipment: Neck brace required; SFI-approved chest protector required for drivers 12 & under
Kart # 800-899
 

IAME X30 CLASSES

  • Push Back Bumpers - REQUIRED.
  • (1) Set of Race Tires Per Round Required
Pro X30
sponsored by SpeedLab Racing Engines
Engine: IAME X30
Age: 15+
Weight: 360 lbs
Tires: Evinco Med Spec from SKUSA
Kart # 10-99
X30 Junior
sponsored by Rolison Performance Group
Engine: IAME X30 + 22.7mm factory header
Age: 12-15
Weight: 320 lbs
Tires: New MG SH2 Hard Spec from SKUSA
Additional Equipment: Neck brace required; SFI-approved chest protector required for drivers 12 & under
Kart # 700-799
 
We reserve the right to make additional modifications to our rules as experience dictates.
Last Updated on Tuesday, 30 January 2024 17:28