NGK plugs. Whats what
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NGK plugs. Whats what
my jdm itr motor has NGK PFR7G-11
the helms manual says to use NGK PFR6G-11
and the dealer sold me NGK PFR5G-11
what the difference? are they the same **** or what??
the helms manual says to use NGK PFR6G-11
and the dealer sold me NGK PFR5G-11
what the difference? are they the same **** or what??
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