250superkarts.com
North America focused 250 superkart news, info, pictures, race results, and classifieds.
Australian Superkarting
Includes latest news, superkart classes, Australian clubs, getting started in superkarts, costs, a discussion forum as well as info and links to many other superkart resources.
British Superkart Association
Information includes race reports, links, race calendar, and British and European superkart news.
BTK Motorsports
Manufacturers and resellers of products for shifter kart racing. Photos and line cards.
Full Tilt Racing
Shifter kart parts and accessories. Information includes chassis and engines.
OFR Extreme
250cc F/E superkart team located in the US northwest. Site includes team history, pictures, race dates, links and news
Swedish Superkart Site
Dealing with the latest in superkarting in Sweden including European race news, calendars and results, tech articles, pictures, and links.