You can buy a new Qjet carburetor at Summit racing for around $600.00 but her is a link to the rebuild kit
https://www.summitracing.com/parts/ado-19250956?seid=srese1&gclid=CjwKCAjw9IayBhBJEiwAVuc3fiday8qxL-LpTBurAvnJp_Yva3ez-kaJY-hQ11zXWGhINWhpRMB-NRoCeSkQAvD_BwE