We have some 200-05 hose thas 5/16. I wouldnt go that route though. If you wanted to reduce it down to a -6 and run it all the way to the pump that wouldnt be too costly and put a hose finisher on it. If you want you can email me your address and ill see about shipping a catalog up to ya with all our stuff and you can see what im talkin about. My email is
johnnybearnc2002@aol.com