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|Center Electrode Core Material:||Copper Core|
|Center Electrode Tip Material:||Platinum|
|Electrode Core Material:||Platinum|
|Electrode Tip Material:||Platinum|
|Gap Size:||0.04 in|
|Ground Electrode Core Material:||Nickel Core|
|Ground Electrode Quantity:||1|
|Ground Electrode Tip Design:||Trapezoid|
|Ground Strap Quantity:||1|
|Hex Size:||5/8 in|
|Manufacturer Heat Range:||4|
|Shorty Spark Plug:||No|
|Spark Plug Approximate Resistor Value:||5K Ohm|
|Thread Diameter:||14 mm|
|Wrench Diameter:||5/8 in|
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Q:are these pre-gapped or will I have to, to .044, how much torque do I need installing plugs
A:With reference to your inquiry on the NGK G Power Spark Plug - Part No. 5017, the NGK spark plugs are pregapped from factory. The torque specifications of this NGK G Power Spark Plug - Part No. 5017 for cast iron cylinder head is 18.0 lb-ft to 25.3 lb-ft and for aluminum cylinder head is 18.0 lb-ft to 21.6 lb-ft. For compatibility with your vehicle, please provide the year, make, model and engine size of your vehicle and for any further assistance please feel free to call us at: 1-877-238-2623 or visit the nearest Advance Auto Parts store and one of our Parts Pros will gladly assist you with any questions or concerns you may have.