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|Electrode Tip Material:||Xtreme Performance|
|Thread Diameter:||14 mm|
|Wrench Diameter:||5/8 in|
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Reviewed by 1 customer
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Comments about Autolite Iridium XP Spark Plug:
Used to replace the original plugs in a Ford Ranger that I purchased. The originals that I replaced had 160k miles on them and were in poor shape. I have noticed a small increase in performance and engine response. The effects on gas mileage seem to be minimal. I can't comment on much else as durability is something that only time will show. Also, if you pruchase these, be sure to check the gap. I had to adjust the gap on all 6 plugs that I purchased. If I had to do it over, I would use ordinary copper plugs and saved the money since I do not expect to put more than another 30-50k on this truck before I replace it.
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Q:is this plug colder thha stock plug
A:The specification of this part Autolite Xp (Xtreme Performance) Iridium Enhanced Fine Wire Spark Plug, Part No. XP103: Shorty Spark Plug: No, Resistor: Yes, Manufacturer Heat Range: 3, Electrode Core Material: Copper, Electrode Tip Material: Iridium, Insulator Type: Projected, Spark Plug Thread Size: 14mm, Spark Plug Reach: 0.708 in., Spark Plug Seat Style: Tapered, Wrench Diameter: 5/8 in., Ground Strap Quantity: One.
Q:are these plugs pre gapped
A:No, Initial suggested settings for spark plug gaps are: Single plug : 0.028 - 0.032", Dual plug : 0.025 - 0.030".