The ones above are for a BBC. I think Jrork's are on a BBC. I'm just building a SBC and had to call Borla and they found a set from the days they use to make them. I got them for around $650 with the mufflers. They are just a smaller version of the ones for sald here. They are SS and if you ceramic coat them you can run them dry. Jrork's are ceramic chrome and mine are ceramic satin black.
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