14 MM drilled , CNC port work , machined for stage 3 cams ( not included )
comes exactly as pictured
Up for grabs is a set of IAG B25 STi used , cylinder head blanks. They are single avcs for 04-07 STi and can also be retro fitted to D25 cars ( wrx , legacy gt and forester xt NOT running air pump or egr ) they have been CNC ported and polished , o-ringed , drilled for 14 MM studs and machined for stage 3 cams. They are in good shape , and come EXACTLY as pictured!
