This head is a 28.5/25 head that has been ported using the flow bench during the process. it currently has 28lb springs on the intake and the exhaust with 23 lbs seat pressure. I can supply any spring combination you want however. Valves were unshrouded and head milled to 17CC's. This one is $185 shipped with your choice of springs. This head would work well on a mild to hot ungoverned motor.
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