'67 Big Block Spark Plugs -
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Anyone know of non resistor extended tip plugs by Denso, NGK, or Autolite same heat range and similar extended tip design as AC R43XLS or 44 XLS, but without resistor for '67 big block use?
'67 L36 C60 coupe
Anyone know of non resistor extended tip plugs by Denso, NGK, or Autolite same heat range and similar extended tip design as AC R43XLS or 44 XLS, but without resistor for '67 big block use?
'67 L36 C60 coupe
Checking Denso X-reference chart, I see that 43XLS (no R) calls for either their W20EP-U or W20EX-U [I have two W20EX-U's ]. AC 44XLS crosses to either their W16EP-U or W16EX-U.
'67 Big Block Spark Plugs
]. AC 44XLS crosses to either their W16EP-U or W16EX-U.
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