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Spark Plugs

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Autolite Iridium Ultra Spark Plug - AI5263

Part #:: AI5263
Line:: ATO

Limited Lifetime Warranty

Seat: Tapered

Thread Size: M14

Heat Range: 11

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Autolite Iridium Ultra Spark Plug - AI5363

Part #:: AI5363
Line:: ATO

Limited Lifetime Warranty

Seat: Tapered

Thread Size: M14

Heat Range: 11

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Autolite Iridium Ultra Spark Plug - AI5862

Part #:: AI5862
Line:: ATO

Limited Lifetime Warranty

Seat: Tapered

Heat Range: 12

Hex Size (in): 5/8 Inch

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Autolite Iridium Ultra Spark Plug - AI5863

Part #:: AI5863
Line:: ATO

Limited Lifetime Warranty

Seat: Tapered

Thread Size: M14

Heat Range: 11

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Autolite Iridium Ultra Spark Plug - AI6043

Part #:: AI6043
Line:: ATO

Limited Lifetime Warranty

Seat: Tapered

Thread Size: M14

Heat Range: 12

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Autolite Iridium XP Spark Plug - XP5263

Part #:: XP5263
Line:: ATO

Limited Lifetime Warranty

Seat: Tapered

Thread Size: M14-1.25

Heat Range: 11

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Autolite Iridium XP Spark Plug - XP5362

Part #:: XP5362
Line:: ATO

Limited Lifetime Warranty

Seat: Tapered

Thread Size: M14-1.25

Heat Range: 12

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Autolite Iridium XP Spark Plug - XP5363

Part #:: XP5363
Line:: ATO

Limited Lifetime Warranty

Seat: Tapered

Thread Size: M14-1.25

Heat Range: 11

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Autolite Iridium XP Spark Plug - XP5364

Part #:: XP5364
Line:: ATO

Limited Lifetime Warranty

Seat: Tapered

Thread Size: M14-1.25

Heat Range: 11

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Autolite Iridium XP Spark Plug - XP5426

Part #:: XP5426
Line:: ATO

Limited Lifetime Warranty

Seat: Tapered

Thread Size: M14-1.25

Heat Range: 9

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Autolite Iridium XP Spark Plug - XP5862

Part #:: XP5862
Line:: ATO

Limited Lifetime Warranty

Seat: Tapered

Heat Range: 12

Hex Size (in): 5/8 Inch

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Autolite Iridium XP Spark Plug - XP5863

Part #:: XP5863
Line:: ATO

Limited Lifetime Warranty

Seat: Tapered

Thread Size: M14-1.25

Heat Range: 11

Compare

Autolite Iridium XP Spark Plug - XP6043

Part #:: XP6043
Line:: ATO

Limited Lifetime Warranty

Seat: Tapered

Thread Size: M14-1.25

Heat Range: 12

Compare

Autolite Iridium XP Spark Plug - XP6083

Part #:: XP6083
Line:: ATO

Limited Lifetime Warranty

Seat: Tapered

Thread Size: M14-1.25

Heat Range: 12