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ACDelco has over 100 years of experience in the automotive industry and is a brand of GM Customer Care and Aftersales, a division of General Motors. ACDelco employs a two- or three-tiered distribution model, utilizing a network of appointed wholesale distributors to service independent installers, ACDelco independent service centers, retail and fleet customers.
|Electrode Core Material:||Copper|
|Electrode Tip Material:||Nickel Alloy|
|Manufacturer Heat Range:||4|
|Spark Plug Seat Type:||Gasket|
|Spark Plug Thread Size:||14|
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Q:should i gap these at .035 as they call for or .040 as it says on the car?
A:You should gap the spark plugs to the gap that your manufacturer asks for.
A:If the manufacturer of the engine/vehicle documents the gap to be set at .040", then gap them at .040". Always trust the manufacturer's documents over 3rd party sources. if in doubt, call a dealer's service center for the latest information or look for specifications in the owner's manual.