Upper plenum and lower intake porting
I just did a porting search and didn't really come up with much.
I am looking to see if anyone has sources for porting of the upper and lower intakes other than Z1 Motorsports that is reputable and trustworthy. Nothing wrong in my opinion with Z1 just looking for other options and if there is anyone on the West Coast that will do this. Doesn't have to be West Coast particularly.
Thank you very much for your help.
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