What valves are these???

[sidewaystsi]

Got a random head from one of my buddies today and its got some valves ive never seen before Its got some stock valves and these other ones in it.Whoever can tell me what they are gets a h.j.

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[defrag010]

They are rebuilder stock replacement. Probably SBI.

 

[BogusSVO]

^^^ what he said, just some replacement valves normally they are heavier than OE

will be ok for stock performance level, If going much more than that, replace them with some good used OE valves or stanless steel