13 50cc 2T mods?

[crave]

https://scooterpartsco.com/malossi/malossi-master-part-list/maqlossi-21mm-carburetor-kit-for-50cc-scooters
https://scooterpartsco.com/malossi/malossi-master-part-list/malossi-carburetor-kit-phbg-as-21mm-kymco-genuine-50cc

What's the difference between these two?
I figure I can get one of these which is a reasonable price.

[paceneedsstides]

Part numbers are different so probably some parts in the kits are different probably something to do with how it mounts onto intake as there are all different types of intakes.