are the threads on the schrader valve an the supply line for the fuel solenoid will screw right on it and feels as if it will tighten up and seal.but i wanna make sure they are the
sam,e before i tighten it down..this is an nos kit i took off my mustang and the valve screwed out of the mustangs rail and was replaced with an an fitting,but the ls1 valve doesnt come out...basicly are the threads the same on the line and valve

 

Yeah, you can screw a 4an line onto the shrader port, and it will seal just fine. Of course don't forget to remove the shrader valve before you try to spray.

 

thanks...i figured it would i just wanted to make sure before tightening it uo