What are the best AC Delco spark plugs?

ACDelco Professional RAPIDFIRE

Are AC Delco spark plugs any good?

Aside from being an excellent overall spark plug, AC Delco Iridium spark plugs are used as original equipment in premium and high-performance products from GM. Thanks to the higher melting point that the iridium electrode offers, this allows a more powerful spark that would wear out standard spark plugs.

What brand of spark plugs does GM use?

ACDelco GM OE (Professional) Iridium Spark Plugs are a high quality replacement ideal for many vehicles on the road today. ACDelco GM OE (Professional) Iridium Spark Plugs are our latest in spark plug technology and an exact replacement for your vehicle’s original components.

Which is a better spark plug platinum or iridium?

Iridium is said to be six times harder and eight times stronger than platinum with a 700° higher melting point. Iridium spark plugs have extremely fine electrodes while retaining excellent wear characteristics. Thanks to its strength, iridium spark plugs can last up to 25% longer than comparable platinum spark plugs.

Do all AC Delco spark plugs come pre gapped?

A: Yes. When ACDelco spark plugs are manufactured, they are pre-gapped to the correct gap specification. … A: Not always, but you should inspect your spark plug wires for wear when replacing your spark plugs.

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How long do AC Delco Iridium plugs last?

Traditional Single Iridium Plugs Denso’s Iridium Power and NGK’s Iridium IX series have iridium fine-wire center electrodes with tranditional nickel ground electrodes. The ground electrode will wear out first. Typically we have found you can expect 50-80k miles on a traditional iridium plug.

Which brand of ignition coil is the best?

Best Ignition Coil Reviews & Recommendations 2020

  • Best Overall. Delphi GN10328 Ignition Coil. …
  • Best Value. ENA 8-Pack Ignition Coil Set. …
  • Honorable Mention. King Auto Parts Combo Pack of Ignition Coils for Honda, Acura, Saturn.

What cars use NGK plugs?


Most late model Saturn engines use NGK spark plugs. Kia and Hyundai may come factory-equipped with either NGK or Champion spark plugs. Some vehicle manufacturers still rely on a single spark plug supplier, but most use a mix of suppliers, even for the same engine.

What company makes Motorcraft spark plugs?

“As a division of the Honeywell Corporation, Autolite is the manufacturer responsible for the production of all Motorcraft spark plugs in North America for the Ford Motor Company. Both Autolite and Ford/Motorcraft spark plugs are built to quality standards using quality components.