454 / 502 / 540 Hardin Marine Air Breathers
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454 / 502 / 540 Hardin Marine Air Breathers
I have a pair of Hardin Marine polished air breathers for 454 / 502 / 540 Mercruiser w/K&N filters, aluminum spacers and hardware needed to mount in very good condition...These units measure 11.5" long x 3" thick x 6"s wide...new in 2008...Hard to find...no longer in production...$ 400 + the ride...