Undercut valves? Anyone using them in here?
Thread Starter
Senior Member

Joined: Mar 2002
Posts: 137
Likes: 0
From: denver, co
Vehicle: 2001 turbo elantra
I'm curious if any of you guys are using undercut valves in your heads? I've been sort of recommended to stay away from them for a boosted application but Im not sure if thats true or not.
Thanks.
Thanks.


