Helps prevent vapor lock issues in you In Line 6 Jeep ingine. Kit includes everything you need for a complete job. 6 Injector covers, Intake manifold shield, 12 Injector o-rings, Fuel rail cover and detailed instructions.
Fuel rail wrap was missing a hole in the middle of the rail between number 3 and 4 injectors for a vent cap. Installed on a 2004 Grand Cherokee 4.0. The injector sleeves didn't fit very tight on the injectors. And the fiberglass insert that goes on top of the intake manifold didn't fit in the screw mounts at all. A better idea for heat reduction would be to get or make ceramic coated headers to reduce engine bay heat.
DEI stuff is awesome, and this Jeep fuel rail kit is no exception. I have an aftermarket header, so the old heat shield is done. This kit helps with (blocking) the heating of the fuel injectors, especially the 5 and 6 back by the firewall (eliminating the causes of the cylinder 5 and 6 misfires, without hacking a huge hole in your hood). The only headache is the retaining clips on the injectors (nothing to do with this kit). Oh, and you should definitely get this kit if you are changing the injectors. It already comes with the fuel rail seals (not O-rings though)
Fitment is a bit funky. Fuel Injector wraps cover about 60% of the injector - but it's easy to spin it so the covered part faces the manifold. Couldn't get my fuel rail disconnected from the line so I couldn't install the rail insulator.
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