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AUTOLITE XP666
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$2.94
Price
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$0.00
Core
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+ Sold in packs of 1x1
Pack
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$2.94
Total
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| AUTOLITE XP666 Specifications |
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| Center Electrode Core Material | Copper | | Center Electrode Design | Fine Wire | | Center Electrode Tip Material | Iridium | | Electrical Terminal Type | Stud | | Gap Size | 1.5mm | | Gap Size | 0.06" | | Ground Electrode Core Material | Nickel | | Ground Electrode Quantity | 1 | | Ground Electrode Tip Design | Tapered | | Ground Electrode Tip Material | Platinum | | Hex Size | 16mm | | Hex Size | 5/8" | | Insulator Material | Ceramic | | Reach | 11mm | | Reach | 0.433" | | Resistance | 4000 82 | | Resistor Type | Yes | | Seat Type | Tapered | | Thread Diameter | 14mm | | Tip Configuration | Mid Projection |
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| Iridium XP; Pre-Set Gap: 0.060" |
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:
- Better durability* and a more focused ignition for optimum performance.
- Iridium enhanced 0.6mm finewire design for optimal durability and performance
- Platinum protected ground wire for maximum efficiency in all ignition types including DIS systems
- V-trimmed ground electrode for improved ignitability
*Compared to 0.8mm finewire, multi-electrode design and standard plugs.
**Compared to average of other premium brands.
This spark plug is pre-gapped, but may require minor adjustments with a Spark Plug Gap Tool / Feeler Gauge to match your engine's specifications. For proper engine performance, gaps should be within ±0.004" of OE-Recommended value.  Which AUTOLITE Spark Plug Is Right For You?
| Material / Series |
Lifespan / Durability |
Performance / Ignitability |
Efficiency / Fuel Economy |
Copper / Nickel
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★ |
★ |
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Platinum
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★★★ |
★★ |
★ |
Double Platinum
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★★★★ |
★★ |
★ |
Iridium XP
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★★★★★ |
★★★★★ |
★★ |
Iridium Ultra
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★★★★★★ |
★★★★★ |
★★ |
Attention California Customers - Prop 65 not required to address for Autolite spark plugs
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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 |
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