stock itr heads comes with dual valve springs on the intake side. its best to atleast run the dual springs on the intake side.
stock itr heads comes with dual valve springs on the intake side. its best to atleast run the dual springs on the intake side.
I have GSR head. I wan't to run ITR cams. Are the intake springs in a GSR head the same as ITR exhaust springs? From what I've heard, that's how you do it. So................is it true?