MS230 94mm bore head costs about 2800 euros and it flows with 48x38 valves 230cfm@15mm. 4" bore head costs about 3400 euros
MS250 is little improvement
And MS330 evo is racehead for 3.0 liter streetcar
http://www.vwnorge.no/index.php/topic,47954.30.html
I have found other good head, its Thorsten Piepers billet head, with atleast as much as MS230 or more cooling fins, including over exhaust port. It has also dual spark plugs
http://bugfans.de/forum/wbx-fremdmot...tum-t2693.html
