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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:||0.040 in|
|Ground Electrode Core Material:||Nickel Core|
|Ground Electrode Quantity:||1|
|Ground Electrode Tip Design:||Trapezoid|
|Ground Strap Quantity:||1|
|Manufacturer Heat Range:||5|
|Shorty Spark Plug:||No|
|Thread Diameter:||14 mm|
|Wrench Diameter:||5/8 in|
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Q:Do I gap these plugs or do they come with a factory set gap ?
A:A spark plug part number might fit hundreds of different engines from many different manufacturers. Although the spark plug from the factory will come with a gap to a pre-selected setting, this may not be the right gap for your particular engine. The incorrect plug gap for your engine can contribute to a high rate of misfires, loss of power, plug fouling, poor fuel economy, and accelerated plug wear. It is always best to check the gap against the manufacturer's specifications. If adjusting the gap on fine wire or precious metal plugs such as platinum or iridium be very careful not to apply any pressure or prying force to the fine wire center electrode or insulator as they can be damaged. The gap should be adjusted by only moving the ground electrode.