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Standard
NGK PFR5G-11
Hot
NGK PFR4G-11
Cold
NGK PFR6G-11
Spark Plug Air Gap
0.039 - 0.043 in
Spark Plug Torque
14 - 22 ft.lb Spark Plug TypeSpark Plug P/N
Standard
NGK PFR5G-11
Hot
NGK PFR4G-11
Cold
NGK PFR6G-11
Spark Plug Air Gap
0.039 - 0.043 in
Spark Plug Torque
For all plugs (normal; NGK PFR5G-11, Hot; NGK PFR4G-11, and Cold; NGK PFR6G-11) the air gap on these plugs range from 0.039 - 0.043 in. This is a "5 thousandths" variation, and won't effect noticibly, the performance if you go with a "happy-medium" of 0.041 in
Also note that the foot pounds of torque are:14 - 22 ft.lb
will bosch spaRK PLUG 4303 WORK FOR NGK PLATIUM 7090
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