You ain't going to make them into A-heads installing those valves.what is the biggest intake and exhuast valves i can fit in the TFS streets?
they are 2.20 int. and 1.76 exh. in there now. if i can go 2.25 on the intake do i have to change the seats? i would like to go 2.30 or 2.35 onintake and 1.82 exh.