they dont really advertise, but rely on word of mouth / internet

I can say it is a family owned business and Rem Sr is a pleasure to deal with as well.

Another vote for Remflex.

If you plan to tear it apart, forget about reusing them though.

i use permatex copper RTV.Never any leaks

REMFLEX Period!!

dont use gaskets, flat surface, = sealer high temp for me , save me
MONEY!!

i do that on every other part! lol my hemi is so hard to get the headers on in that dart i'd have it smeared everywhere but between the flanges by the time i was finished.