Closest I can find that seems to match the frame shape is something called a Spider or Extreme Spider. Can find similar frames sold by Massimo as well.
For example "
Extreme SPIDER 300GK EFI Go Cart Go Kart Off Road Dune Buggy"
Spider 300GK EFI features a tough water-cooled 300cc, four-stroke engine and automatic transmission with reverse for excellent power and easy drivability.
Spider 300GK EFI rides on a full suspension capable of tackling the toughest terrain and smoothing out the roughest bumps. The big, 21 inch tires up front and even bigger 22 inches in the rear coupled with front and rear hydraulic disc brakes provide exceptional traction and cornering on off-road trails. Includes a full compliment of lights, turn signals, sport bucket seats and safety harnesses.
ALL NEW Spider 300 EFI Go Kart Go Cart at an unbeatable price. Climb into the cockpit of this full-size Go kart and experience the exhilarating fun of an off-road buggy built for grown-ups! Spider 300GK EFI features a tough water-cooled 300cc, four-stroke engine and automatic transmission with...
www.extrememotorsales.com
Or here:
Specifications Dimensions Overall Length 100.79 (IN) Overall Width 57.28 (IN) Overall Height 66.54 (IN) Wheelbase 80.12 (IN) Minimum Ground Clearance 5.9 (IN) Curb Mass 688 (Pds) Engine Electronic Fuel Injected, Type Water-C
www.awldistribution.com
Obviously the rear end does not match yours but that could simply be the difference between a 2022 and a 2023 model, or what-not, but see if the specifications match what you have; length, width, wheelbase, tires sizes etc., etc.