Fuel Injector O-rings

Mike8675309

Registered User
My Felpro upper kit came with only 6 o-rings for the injectors. There appear to be two o-rings per injector. The question is, which ones are the best ones to replace, or should I take the time to go get another 6 from somewhere to replace them all?

Thanks.
 
I would replace the upper because if there is a leak its coming out of the rail and onto the motor (hot). The rail is bolted down and holds the injector in the intake.

They really should all be replaced to be safe. Its not that expensive of a repair for piece of mind.

Yeah! What spider said!
 
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