[FC] Spark Plug Questions -Again

[David C. Herrin III]

Gentlemen,
We offer a chart w/ cross reference to our spark plugs = NGK 
simply request the Product Bulletins via e mail it is an .rtf attachment

flat tip, projected tip, platinum, 
numerous heat ranges all with the correct "reach" 1/2"

that is 19 different part #'s - in stock 
and 4 more available special order - the 1969 only resistor type used with
special short rotor.
David

  If not, what can I use off-the-shelf?