Quote:

What plug number would it take for
a steel headed bb mopar, with a 3/8" reach, and a
13/16 wrench size, I have ran NGK'S for several seasons,
and would like to do some testing with the autolites,
and see if there is anything there?????????????

Thanks
Dave

Try AR74, AR73 and AR72

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)