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Hilborn F510 by pass - will be brass
6001 30 lb Secondary valve , It will be brass
F1112 Adapter ,
5 pills 090 100 110 120 130
These are the two valves that you need to make your injection work and idle clean.

Bypass Valve comes with 5 jets so you can dial it in close. Tell us the setup or the jet sizes you desire.
The Secondary Valve comes with a #6 fitting so that you can mount it on your barrel valve.
Quit fiddling around and get what you need to make your Hilborn or other mechanical injection work correctly for you!