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When you're passionate about performance, you need a technologically advanced plug. Autolite Iridium XP utilizes an iridium-enhanced 0.6 mm finewire and proprietary platinum sidewire for improved durability* and a more focused ignition for better overall ignitability** providing optimum performance.
Features & Benefits:
*Compared to 0.8mm finewire, multi-electrode design and standard plugs.
**Compared to average of other premium brands.
Material / Series | Lifespan / Durability | Performance / Ignitability | Efficiency / Fuel Economy |
---|---|---|---|
Copper / Nickel![]() |
★ | ★ | |
Platinum ![]() |
★★★ | ★★ | ★ |
Double Platinum![]() |
★★★★ | ★★ | ★ |
Iridium XP![]() |
★★★★★ | ★★★★★ | ★★ |
Iridium Ultra![]() |
★★★★★★ | ★★★★★ | ★★ |
Closeout Inventory Warranty Information:Wholesaler Closeout items have a 30 day warranty (but still are covered by our Return Policy).AUTOLITE Regular Inventory Warranty Information:2 years for Copper Spark Plugs; 4 years for Platinum Spark Plugs; 5 years for Double Platinum Spark Plugs; Limited Lifetime years for Iridium XP Spark Plugs; 5 years for Professional Series Wire Sets; 1 year for Glow PlugsWarranty Details
CAPA Certified or NSF Certified parts bear the seal of independent, third party organizations guaranteeing fitment and quality equal to original equipment. These parts may be required if your insurance company is paying for the repair.
Specifications | |
Thread Diameter | 14mm |
Hex Size | 16mm |
Hex Size | 5/8" |
Center Electrode Core Material | Copper |
Center Electrode Tip Material | Iridium |
Gap Size | 1.1mm |
Gap Size | 0.044" |
Ground Electrode Core Material | Nickel |
Ground Electrode Quantity | 1 |
Ground Electrode Tip Design | Tapered |
Ground Electrode Tip Material | Platinum |
Insulator Material | Ceramic |
Reach | 19.5mm |
Reach | 0.75" |
Resistance | 4000 82 |
Seat Type | Flat |
Center Electrode Design | Fine Wire |
Electrical Terminal Type | Stud |
Resistor Type | Yes |
Tip Configuration | Mid Projection |