Setrab oil coolers http://www.setrabusa.com/produ...ns/banjos/index.html makes several 22mm banjo bolts ranging from -6an to -12an. They are readily available and do not restrict fuel flow. I'm using the -8an version. The only problem i have had was when some trash got in my tank and got pulled into the banjo bolt, restricting the fuel flow. I was still able to drive, but could not maintain fuel pressure under load. I resolved this with a stainless steel fuel strainer.
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