ACDELCO 41-100 PROFESSIONAL IRIUDIM SPARK PLUG
₵45
ACDelco Iridium Spark Plugs are the latest evolution in high-performance plug electrode material and are designed to last 100,000 miles.
- Iridium is one of the hardest metals used in spark plugs today, which allows for smaller, more efficient electrode designs for improved cold starting and quicker acceleration
- Latest evolution in high-performance plug electrode material
- Improved cold-starting and acceleration characteristics
- Reduced ignition system voltage demands saves wear and tear
- New-vehicle applications using iridium plugs continues to increase
Spark Plug Type Performance Differences

|
Ground Electrode Tip Design |
Single Prong Electrode |
Ground Configuration |
Single |
Ground Electrode Core Material |
Nickel Alloy |
Center Electrode Core Material |
Copper |
Center Electrode Tip Material |
Iridium |
Gap Size |
0.059 in |
Gap Size |
1.5 mm |
Ground Electrode Quantity |
1 |
Hex Size |
16mm |
Insulator Height |
0.98 IN |
Insulator Height |
25 mm |
Manufacturer Heat Range |
4 |
Approximate Resistor Value |
4-7.5k ohms |
Seat Type |
Tapered |
Reach |
0.68 IN |
Reach |
17.5 mm |
Thread Diameter |
14 MM |
Resistor Type |
Yes |
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