Yeah even modded 8v is notably slower than a standard 16v.
It says for 2.0 4 cyl engines, including beetle and mk4 2l 8v. It'll fit yours 
My 8v is a lot slower than my 16v, but as I said I just cant pull out a mint motor for something else. It's got 8 vw stamps and last one was at 25,000

(i changed oil and filters at 31000) so spending money on this engine. I only want the cam for the lumpy idle
That was a lie! I want it because it's sh!t after 5000rpm
Anyway getting it put on Tuesday, same time it's getting cam belt and water pump.
Now waiting to hear back from carbon