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E3 Spark Plugs

Serious automotive firepower starts with a spark. E3 Spark Plugs can help you create a fire-breathing street or strip beast with its line of spark plugs featuring E3’s advanced DiamondFire electrode design. This exclusive design is tested and proven to increase flame speed, improve the direction of the flame front, and build combustion pressure within the engine. That means more power, better fuel mileage, and reduced emissions. Choose from our huge inventory of E3 Spark Plugs that fit dozens of vehicle makes from 1950-present. Ignite your vehicle’s full performance potential—shop Summit Racing now! 

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E3 Spark Plugs E3.42 - E3 Spark Plugs

Click here for more information about E3 Spark Plugs E3.42 - E3 Spark Plugs

Spark Plug, E3, Tapered Seat, 14mm Thread, 0.460 in. Reach, Projected Tip, Resistor, Each

(103)

Part Number: ETP-E3-42 More Detail...

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$6.49

E3 Spark Plugs E3.54 - E3 Spark Plugs

Click here for more information about E3 Spark Plugs E3.54 - E3 Spark Plugs

Spark Plug, E3, Tapered Seat, 14mm Thread, 0.708 in. Reach, Projected Tip, Resistor, Each

(72)

Part Number: ETP-E3-54 More Detail...

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$6.49

E3 Spark Plugs E3.48 - E3 Spark Plugs

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Spark Plug, E3, Gasket Seat, 14mm Thread, 0.750 in. Reach, Projected Tip, Resistor, Each

(62)

Part Number: ETP-E3-48 More Detail...

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$5.99

E3 Spark Plugs E3.52 - E3 Spark Plugs

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Spark Plug, E3, Gasket Seat, 14mm Thread, 0.375 in. Reach, Projected Tip, Resistor, Each

(42)

Part Number: ETP-E3-52 More Detail...

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$5.99

E3 Spark Plugs E3.72 - E3 Spark Plugs

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Spark Plug, E3, Tapered Seat, 18mm Thread, 0.430 in. Reach, Projected Tip, Resistor, Each

(16)

Part Number: ETP-E3-72 More Detail...

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$6.49

E3 Spark Plugs E3.68 - E3 Spark Plugs

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Spark Plug, E3, Gasket Seat, 14mm Thread, 1.00 in. Reach, Projected Tip, Resistor, Each

(24)

Part Number: ETP-E368 More Detail...

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$6.03

E3 Spark Plugs E3.70 - E3 Spark Plugs

Click here for more information about E3 Spark Plugs E3.70 - E3 Spark Plugs

Spark Plug, E3, Gasket Seat, 16mm Thread, 0.866 in. Reach, Projected Tip, Resistor, Each

(23)

Part Number: ETP-E3-70 More Detail...

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$10.99

E3 Spark Plugs E3.46 - E3 Spark Plugs

Click here for more information about E3 Spark Plugs E3.46 - E3 Spark Plugs

Spark Plug, E3, Gasket Seat, 14mm Thread, 0.750 in. Reach, Projected Tip, Resistor, Each

(22)

Part Number: ETP-E3-46 More Detail...

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$5.99

E3 Spark Plugs E3.40 - E3 Spark Plugs

Click here for more information about E3 Spark Plugs E3.40 - E3 Spark Plugs

Spark Plug, E3, Tapered Seat, 14mm Thread, 0.460 in. Reach, Projected Tip, Resistor, Each

(23)

Part Number: ETP-E3-40 More Detail...

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$5.99

E3 Spark Plugs E3.74 - E3 Spark Plugs

Click here for more information about E3 Spark Plugs E3.74 - E3 Spark Plugs

Spark Plug, E3, Tapered Seat, 14mm Thread, 1.000 in. Reach, Projected Tip, Resistor, Each

(5)

Part Number: ETP-E3-74 More Detail...

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$6.63

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