The 2022 Sprint GrandNationals

IKF Duffy Trophy The ‘Duffy’ is the most prestigious trophy in grassroots kart racing, and once a year the International Kart Federation holds its annual IKF Sprint GrandNationals. The names who call themselves Duffy winners are a who’s who of motorsports and the distinction of being an IKF national champion solidifies any racer’s legacy in the sport.

DATE: October 07-09, 2022

VENUE: Northern Nevada Kart Club

Race Classes

IAME Engines will use current SKUSA Rules.

Mini Swift (9-13*

IAME Mini Swift 60 / 245 lbs
Evinco Blue
#100-199

LO206 Cadet (7-13*)

Briggs LO206 / 240 lbs Green Slide
Evinco Blue
#200-299

KA100 Junior (11-15*)

IAME KA100 / 320 lbs +22mm Factory Header
This class is IAME KA100 only
Evinco Blue (7.10 R)
#800-899

LO206 Junior (11-15*)

Briggs LO206 / 310 lbs Black Slide
Evinco Blue (6.0 R)
#400-499

KA100 Senior (14+)

IAME KA100 / 360 lbs
Rok VLR / 360 lbs
Evinco Blue (7.10 R)
#900-999

LO206 Senior (14+)

Briggs LO206 / 360 lbs
Evinco Blue (6.0 R)
#600-699

LO206 Master (30+)

Briggs LO206 / 390 lbs
NEW Evinco Blue (6.0 R)
#300-399

*All drivers 12yo and under must wear a Neck brace & SFI-approved chest protector.

Race Fuel

LO206: TBA.
All other 2-stroke classes: TBA

Tire Information

ALL event tires are Evinco, including practice.
All classes must use same tires for the duration of event (all competition sessions).
Rain tires must be MG only.