Join Date: Apr 2008
Location: Moyock, NC
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They are the bolts on the head side of the fuel lines. They have 2 crush washers as well. Just follow the hard fuel lines from the fuel bowl to each head and you will see them.
Basically, the stock banjo bolts have smaller holes and a restrictive check valve. The 6.4l banjo bolts have larger holes and no check valve. The theory behind this is that the updated bolts will allow more fuel to pass which would save your injectors from starving during WOT. It is cheap insurance. About $8 a side.
05 F250 4x4 CC, 9.5" Rize/Icon, 38" Toyos, 20x12 Pacers, 5" MBRP, AFE stage 2, Cass 190s, Powermax, ELC w/filter, RCD EGR delete
04 Excursion 4x4, vacation bus
Project 1979 F250 6.0 powered in progress