Fastener sizes??

[jamnut]

Can anyone tell me what types of screws/bolts are used to fasten the Fuel pressure regulator to the fuel rail & the fuel rail to the intake?

I was working on my truck & knocked over the cup that I was keeping the fuel rail & Fuel pressure regulator screws in. I need help!!!!!!!!!!!!

 

[gjp]

Re: Fastener sizes??

I think the fuel rail to intake are I think 1/4-20. Its a 7/16 hex head about 3/4 inch long. Could be metric. I dont remember but thats about the size. My regulator has allen screws on it. Black about 1/2 inch long.