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ACDelco Iridium Spark Plugs 12621258

ACDelco 12621258 - ACDelco Iridium Spark Plugs

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Spark Plug, Iridium Tip, Tapered Seat, 14mm Thread, Resistor, Each

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Brand: ACDelco
Manufacturer's Part Number: 12621258
Part Type: Spark Plugs
Summit Racing Part Number: ADO-41-110

UPC: 707773443538
Shorty Spark Plug: No
Resistor: Yes
Electrode Core Material: Copper
Electrode Tip Material: Iridium
Spark Plug Thread Size: 14mm
Spark Plug Seat Style: Tapered
Ground Strap Quantity: One
Quantity: Sold individually.
In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

ACDelco iridium spark plugs are the latest evolution in high performance plugs. The natural properties of iridium, with a melting point of approximately 700 degrees Celsius higher than platinum, help enable the plugs to burn fuel more efficiently and to deliver better performance. As a result, the iridium plugs have a minimum service life of 100,000 miles (service life varies with individual driving conditions.) Since iridium is one of the densest materials found on earth, the iridium-tipped center electrode is half the size of a platinum electrode, and 1/5 the size of a conventional nickel electrode. The secondary micro-discharge of the center electrode burns off carbon deposits as they form. This provides superior anti-fouling performance that, along with the tapered cut-ground electrode, offers enhanced flame spread during combustion. The specially designed electrodes increase the electric field strength at the gap, reducing the voltage required for sparking to begin, for improved cold starting and quicker acceleration. The application coverage of ACDelco iridium spark plugs continues to grow, with the plugs being backed by a 100,000-mile limited warranty.

Warranty

Some parts are not legal for sale or use in California on any pollution-controlled motor vehicles

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