There are no 1.8 XSi's anyway. 
XSi's are 2 litre. I had a 1.8 16V but can't remember what clutch type it was.
Edit - Just had a look through some of my old car pics.... The 1.8 is pull type...so that's a possibility I guess.

XSi's are 2 litre. I had a 1.8 16V but can't remember what clutch type it was.

Edit - Just had a look through some of my old car pics.... The 1.8 is pull type...so that's a possibility I guess.