[E Z Eric]

I recently got a Billet Radiator Cap from the GP, and I'm curious about the fact that our stock caps are pressure caps and these are not.
Is there any risk in running a non pressurized cap on our LT1's?

 

[E Z Eric]

Sorry, I guess I worded that wrong.

The cap should hold pressure, don't see any reason it shouldn't besides not having an o-ring or washer.

My concern was that the cap has no way of releasing pressure.

 

[E Z Eric]

False Alarm!
Dumb A**, me. I didn't even bother to check first if the billet cap fit over the existing cap.

The new billet piece fits over the pressure cap snug. And looks awesome.

Note: If you have thought about purchasing any billet pieces from Robert,

http://www.impalassforum.com/vBulletin/showthread.php?t=231511

Don't hesitate, these are quality pieces, and the prices are great. Not only was shipping quick, but Robert is a great guy to deal with.