Thanks - looking at the Summit application chart it also includes 292, 289 and 360 Fords





54 Victoria 312;  48 Ford Conv 302, 56 Bird 312
Forever Ford
Midland Park, NJ

I did a google search for a cross reference.   NGK AR6FS crosses a bunch including AC delco,  denso,  champion.   Says it's the same as Champion RF 18C   NAPA X571   Autolite 33.

Looks like the NGK are SB MOPAR - https://www.summitracing.com/parts/ngk-3323/applications

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ASF42C 
Is the CLV head (335-385 Series) 14mm plug. Same as old AF 42 but with suppression (S) and copper-core (C)

BF82
These are the old Y-BLOCK and later straight six plugs

NGK- I cannot speak Japanese other than HONDA and RODAN.

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I have these spark plugs and don't know if they are Y Block plugs or not.  Any info on them will be appreciated

NGK  AR6FS   8
ASF42C   20
BF82  20

Any body want these?  Free for shipping


54 Victoria 312;  48 Ford Conv 302, 56 Bird 312
Forever Ford
Midland Park, NJ