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Spark Plugs
Spark Plug Tech Help
Not sure which spark plug you need?
Heat range and tip depend on your heads, compression, and ignition. For Edelbrock aluminum heads we start with NGK-6962 on most street builds and NGK-4091 on higher-horsepower combos. Cast-iron picks and the full heat-range ladder are in the guide.
Street · NGK-6962
Higher HP · NGK-4091
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No Image Available
Here is an example if you have a question about the heat range on an NGK spark plug.
The lower the #, the hotter the plug is.
(Example- -6 is a hotter plug than -9)
Spark plug gap...More Details »
No Image Available
Here is an example if you have a question about the heat range on an NGK spark plug.
The lower the #, the hotter the plug is.
(Example- -6 is a hotter plug than -9)
Spark plug gap...More Details »
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--bp-red:#D81E2C; --bp-red-dk:#A2121E; --bp-ink:#17171B;
--bp-panel:#F7F7F8; --bp-line:#D7D9DD; --bp-text:#222428; --bp-gray:#6E727A; --bp-white:#fff;
font-family:Arial,...More Details »
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