This port is an alternative to the 225cc head for the customer
who already owns a set of "as cast" heads or older "street heat"-
high ports. Features include a 218cc intake runner,2.080 intake
valves,1.600" exhaust valves,.700" roller springs and titanium
retainers.Chamber's can be milled to high 50cc's. Hand blending 
of ports also included. 

Note:Flow numbers are based off of an average of 5 heads tested.
All flow numbers are tested on a 4.030" fixture @28"h20, using
clay intake radius,and a 4"pipe on exhaust.