[TSAF]

What about these heads from rs-motor

Technical data:
-Intake valves 46.5 to 54 mm, outlet 38 to 44 mm
-6 cylinder mounting point
-Spark plug M12 x 1.25
-Outlet for Type 1 Style Exhaust
-Billet valve cover screwed with 6-O-ring seal
-Combustion chamber, intake port, exhaust port completely CNC machined
-Cylinder bore 103 - 105 mm
-Price from 1,590 €
The photos are very impressive to say at least.

http://www.rs-motor.at/2009/08/bille...he-356912.html

What do you think in terms of cooling?