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Autolite Spark Plugs
Autolite has been the Official Spark Plug of NASCAR since April 2000.

Autolite Spark Plugs Categories

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Autolite Copper Spark Plugs
Since 1936, Autolite has been a trusted leader and innovator in spark plug technology. You can count on our copper plugs for performance and value, backed by decades of experience and passion. Includes a 2 year limited warranty.
Autolite Double Platinum Spark Plugs
Better materials to give your engine better performance. Platinum-to-platinum design greatly decreases gap erosion, reduces misfires, and provides improved durability.* It's the superior-performing...More Details »
Autolite High Thread Pro Spark Plugs
You'll get more durability, greater power, improved heat transfer and more focused ignition power thanks to a unique, patented design that forms a more comprehensive seal. Copper core center electrode a nickel-alloy sheath.
Autolite Iridium XP Spark Plugs
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...More Details »
Autolite Racing Hi-Performance Spark Plugs
Autolite® Racing Hi-Performance Spark Plugs. Actual racing spark plug used by many professional car drivers. Provides cut back ground electrode, anti-corrosive nickel plating and large ground electrode for better heat transfer.
Items 1-5 of 5

Autolite Spark Plugs Products

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Items 1-25 of 76
Description: Spark Plug, 14 mm Thread, 0.708 in Reach, Tapered Seat, Resistor, Each
Item #: AUT103
Condition: New
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Price: $3.99
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Description: Spark Plug, 14 mm Thread, 0.460 in Reach, Tapered Seat, Resistor, Each
Item #: AUT24
Condition: New
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Price: $3.49
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Description: Spark Plug, 14 mm Thread, 0.460 in Reach, Tapered Seat, Resistor, Each
Item #: AUT25
Condition: New
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Description: Spark Plug, 14 mm Thread, 0.460 in Reach, Tapered Seat, Resistor, Each
Item #: AUT26
Condition: New
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Description: Spark Plug, 14 mm Thread, 0.375 in Reach, Gasket Seat, Resistor, Each
Item #: AUT303
Condition: New
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Price: $3.99
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Description: Spark Plug, 14 mm Thread, 0.375 in Reach, Gasket Seat, Non-Resistor, Each
Item #: AUT353
Condition: New
Limited Supply: Only 1 Left!
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Price: $2.99
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Description: Spark Plug, 18 mm Thread, 0.468 in Reach, Tapered Seat, Resistor, Each
Item #: AUT45
Condition: New
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Price: $3.49
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Description: Spark Plug, 14 mm Thread, 0.375 in Reach, Gasket Seat, Resistor, Each
Item #: AUT85
Condition: New
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Description: Spark Plug, Iridium XP, 14 mm Thread, 0.708 in Reach, Tapered Seat, Resistor, Each
Item #: AUTXP104
Condition: New
Limited Supply: Only 4 Left!
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Price: $10.99
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Description: Spark Plug, Racing, 14 mm Thread, 0.708 in Reach, Tapered Seat, Resistor, Each
Item #: AUTAR103
Condition: New
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Price: $5.99
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Description: Spark Plug, Racing, 14 mm Thread, 0.460 in Reach, Tapered Seat, Non-Resistor, Each
Item #: AUTAR12
Condition: New
Limited Supply: Only 0 Left!
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Price: $4.49
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Description: Spark Plug, Racing, 14 mm Thread, 0.460 in Reach, Tapered Seat, Non-Resistor, Each
Item #: AUTAR13
Condition: New
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Description: Spark Plug, Racing, 14 mm Thread, 0.460 in Reach, Tapered Seat, Non-Resistor, Each
Item #: AUTAR132
Condition: New
Limited Supply: Only 8 Left!
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Description: Spark Plug, Racing, 14 mm Thread, 0.460 in Reach, Tapered Seat, Non-Resistor, Each
Item #: AUTAR133
Condition: New
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Price: $4.99
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Description: Spark Plug, Racing, 14 mm Thread, 0.460 in Reach, Tapered Seat, Non-Resistor, Each
Item #: AUTAR134
Condition: New
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Description: Spark Plug, Racing, 14 mm Thread, 0.460 in Reach, Tapered Seat, Non-Resistor, Each
Item #: AUTAR135
Condition: New
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Description: Spark Plug, Racing, 14 mm Thread, 0.460 in Reach, Tapered Seat, Resistor, Each
Item #: AUTAR24
Condition: New
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Description: Spark Plug, Racing, 14 mm Thread, 0.460 in Reach, Tapered Seat, Resistor, Each
Item #: AUTAR25
Condition: New
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Description: Spark Plug, Racing, 14 mm Thread, 0.750 in Reach, Gasket Seat, Non-Resistor, Each
Item #: AUTAR2592
Condition: New
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Price: $4.17
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Description: Spark Plug, Racing, 14 mm Thread, 0.750 in Reach, Gasket Seat, Non-Resistor, Each
Item #: AUTAR2593
Condition: New
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Price: $6.49
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Description: Spark Plug, Racing, 18 mm Thread, 0.460 in Reach, Tapered Seat, Non-Resistor, Each
Item #: AUTAR32
Condition: New
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Price: $4.49
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Description: Spark Plug, Racing, 18 mm Thread, 0.460 in Reach, Tapered Seat, Non-Resistor, Each
Item #: AUTAR33
Condition: New
Limited Supply: Only 8 Left!
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Price: $4.49
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Description: Spark Plug, Racing, 14 mm Thread, 0.750 in Reach, Gasket Seat, Non-Resistor, Each
Item #: AUTAR3910
Condition: New
Limited Supply: Only 0 Left!
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Price: $4.99
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Description: Spark Plug, Racing, 14 mm Thread, 0.750 in Reach, Gasket Seat, Non-Resistor, Each
Item #: AUTAR3911
Condition: New
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Description: Spark Plug, Racing, 14 mm Thread, 0.750 in Reach, Gasket Seat, Non-Resistor, Each
Item #: AUTAR3932
Condition: New
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Ships from Michigan.
Price: $4.99
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Items 1-25 of 76

More About Autolite Spark Plugs

Pit Stop USA is The Online Motorsports Superstore! Since its inception, the Autolite brand has provided the automotive aftermarket and Original Equipment manufacturers the highest quality ignition products. The birth of Autolite began in 1911 when two small companies started producing buggy lamps, and became a thriving automotive parts manufacturer by the 1930s. But its history as a spark plug manufacturer began in 1935 when Royce G. Martin, President of the Electric Autolite Company, equipped and staffed a lab to develop the first Autolite spark plug. Leading the project was Robert Twells, a ceramic engineer, who eagerly researched current patents and ceramic insulator technology. With a handful of new draftsman and staff members, it only took a few months before the Electric Autolite Company had a spark plug available for distribution. Autolite had instant success, as the brand supplied spark plugs and other ignition parts to well-known automotive leaders including Chrysler, Studebaker, Packard and Willys. Among its wide range of spark plugs for automotive and small engine applications, Autolite is known for its Double Platinum spark plugs. These plugs are up to 30 percent more durable than the average of leading competitors and provide optimal performance longer than a standard spark plug. Autolite employs state-of-the-art process control and automated inspection equipment to assure that products are made on time and meet rigorous internal and customer requirements. Autolite racing spark plugs are used by many professional race car drivers today. Provides cut back ground electrode, anti-corrosive nickel plating and large ground electrode for better heat transfer. Autolite has been the Official Spark Plug of NASCAR since April 2000. We feature Autolite Racing Spark Plugs at low everyday prices.