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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.
Product Features:
| Electrode Core Material: | Copper |
| Electrode Tip Material: | Nickel Alloy |
| Manufacturer Heat Range: | 4 |
| Resistor: | Yes |
| 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?2 answers
CUSTOMER CARE
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.