11-01-2012, 08:51 AM
Nope xsi head has a 86mm bore and the XS is 83mm.
I'm not 100% sure what the ports are like on the xsi but i do know there is a lot of room for improvement with the XS head.
I'm not 100% sure what the ports are like on the xsi but i do know there is a lot of room for improvement with the XS head.
Team Eaton
1999 China Blue 306 GTi6 - Eaton Supercharged - 214.5bhp 181lbft
1999 China Blue 306 GTi6 - Eaton Supercharged - 214.5bhp 181lbft