This should help... 7th post down has the adapter you need.AaroNX said:I need to order some adaptors to put a fuel pressure gauge on my car. Anyone know what size the fuel lines are? Also should I put the gauge after the rail or before it?
I might have a source for the same one that has been sold at flatlandracing. I won't know until next week though... If will keep everyone updated on this [fingers crossed]JasOne510 said:So anyone else know of a place that sells the 5/16" adapter? All I have found are 3/8"