Price for Spark Plug Tubes?

RustyRatRod said

Yeah they ain't available new that I know of. Well......actually.....
(6) NOS PN 2121245 spark plug tubes for 1960-76 Chrysler Products with 170-198-225 cubic inch Slant 6 engine 6 engine
LMAO

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I have three sets of them -18 total tubes - I was just hoping to get a ballpark of how much I could realistically sell them for. I guess it's really depends on the demand.