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#P4339
D/CPR-EA-9 NGK spark plugs.
D: 12x1.25mm thread, 18mm hex.
/
C: 10x1.0mm thread, 16mm hex.
P: Projected centre electrode insulator.
R: Resistor type.
E: 19mm long reach thread.
A: Special firing end design.
9: 0.9mm spark gap.
*Please choose which heat rating you need.
