I have a 1988 camaro that I'm putting a 1988 firebird engine in (it was the closest I could find) I took the intake manifold off and instead of removing the fuel lines I removed the (fuel block) I think is what it's called. Anyways my question is I lost the little starhead screws and I'm trying to find them online but I can't find them anywhere I just need the size and thread for them. If anyone can help it would be greatly appreciated. I attached a pic of what I'm referring to.

 

Take one out and measure. Looks like 4mx.70

 

This is a zoomed in old picture of it. It's currently sitting on top not attached. .

 

But i wll look for that size thank you

 

TP could very well be correct, but it seems that 4mm is a little small for those in that application. I would fire from the hip and guess that M6 would have been their choice for size, but I've been wrong many, many times before. The Schrader valve is somewhat of a size reference. Regardless, finding the cheese-head screws will be really tough, so you might have to settle for a Fillister head or pan head.

A reference photo is attached.

 

Parden the interruption. sorry, I'm not trying to hijack thread, but the website won't let me pm tuned performance. Just wanted to see if he still did Eprom Vats delete. Please pm me here or email jason.garcia2007@yahoo.com. Thanks.