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dart4forte · 03-07-2013, 02:07 AM

I have several sets of 906 casting heads. They all have the letter "F" or "C" cast into them on the underside of the head. Do these letters mean anything?

03-07-2013, 02:07 AM	#1
dart4forte Junior Member Join Date: Oct 2006 Location: Yakganistan Posts: 80 Likes: 0 Liked 1 Time in 1 Post	Big Block Mopar Heads I have several sets of 906 casting heads. They all have the letter "F" or "C" cast into them on the underside of the head. Do these letters mean anything?