hello i have the VW MK5 GTI 2.0TFSI engine and I'm looking to upgrade the internals stock valves and springs with the Ferrea valves and springs so which ones are better TO BOOST my engine for higher RPMS 7.500-8500rpms can you give me you're product page so i can buy them? Thanks!
@velr50gt4 жыл бұрын
What I don't understand is that I remember years ago where the sodium filled exhaust valves in racing were the thing to do even more so in turbocharged applications. Now Ferrea is saying they're not good for racing applications due to over heating? Am I missing something here?