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Spark Plugs

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Autolite Racing Hi-Performance Spark Plug - AR103

Part #:: AR103
Line:: ATO

1 Year Limited Warranty

Seat: Tapered

Thread Size: M14-1.25

Heat Range: 10 To 320

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Autolite Racing Hi-Performance Spark Plug - AR13

Part #:: AR13
Line:: ATO

1 Year Limited Warranty

Seat: Tapered

Thread Size: M14-1.25

Heat Range: 11 To 350

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Autolite Racing Hi-Performance Spark Plug - AR23

Part #:: AR23
Line:: ATO

Manufacturer's Defect Warranty

Seat: Tapered

Thread Size: M14-1.25

Heat Range: 11 To 350

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Autolite Racing Hi-Performance Spark Plug - AR24

Part #:: AR24
Line:: ATO

1 Year Limited Warranty

Seat: Tapered

Thread Size: M14-1.25

Heat Range: 9 To 275

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Autolite Racing Hi-Performance Spark Plug - AR25

Part #:: AR25
Line:: ATO

1 Year Limited Warranty

Seat: Tapered

Thread Size: M14-1.25

Heat Range: 8 To 245

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Autolite Racing Hi-Performance Spark Plug - AR2593

Part #:: AR2593
Line:: ATO

1 Year Limited Warranty

Seat: Gasket

Thread Size: M14-1.25

Heat Range: 15 To 550

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Autolite Racing Hi-Performance Spark Plug - AR2594

Part #:: AR2594
Line:: ATO

1 Year Limited Warranty

Seat: Gasket

Thread Size: M14-1.25

Heat Range: 14 To 515

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Autolite Racing Hi-Performance Spark Plug - AR32

Part #:: AR32
Line:: ATO

1 Year Limited Warranty

Seat: Tapered

Thread Size: M18-1.50

Heat Range: 13 To 430

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Autolite Racing Hi-Performance Spark Plug - AR33

Part #:: AR33
Line:: ATO

1 Year Limited Warranty

Seat: Tapered

Thread Size: M18-1.50

Heat Range: 11 to 330

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Autolite Racing Hi-Performance Spark Plug - AR3924

Part #:: AR3924
Line:: ATO

1 Year Limited Warranty

Seat: Gasket

Thread Size: M14-1.25

Heat Range: 9 To 275

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Autolite Racing Hi-Performance Spark Plug - AR4132

Part #:: AR4132
Line:: ATO

1 Year Limited Warranty

Seat: Gasket

Thread Size: M12-1.25

Heat Range: 13

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Autolite Racing Hi-Performance Spark Plug - AR51

Part #:: AR51
Line:: ATO

1 Year Limited Warranty

Seat: Gasket

Thread Size: M14-1.25

Heat Range: 12

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Autolite Racing Hi-Performance Spark Plug - AR52

Part #:: AR52
Line:: ATO

1 Year Limited Warranty

Seat: Gasket

Thread Size: M14-1.25

Heat Range: 11

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Autolite Racing Hi-Performance Spark Plug - AR5324

Part #:: AR5324
Line:: ATO

1 Year Limited Warranty

Seat: Gasket

Thread Size: M14-1.25

Heat Range: 11 To 375

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Autolite Racing Hi-Performance Spark Plug - AR5362

Part #:: AR5362
Line:: ATO

1 Year Limited Warranty

Seat: Tapered

Thread Size: M14-1.25

Heat Range: 12 To 425

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Autolite Racing Hi-Performance Spark Plug - AR73

Part #:: AR73
Line:: ATO

1 Year Limited Warranty

Seat: Gasket

Thread Size: M14-1.25

Heat Range: 11

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Autolite Racing Hi-Performance Spark Plug - AR764

Part #:: AR764
Line:: ATO

1 Year Limited Warranty

Seat: Tapered

Thread Size: M14-1.25

Heat Range: 9 To 275