Best Spark Plugs For Racing: image
Top Pick

  • Brand:Autolite
  • Core Material:Nickel
  • Top Material Type:Alloy Steel
  • Vehicle Service Type:Car

Honorable Mention

  • Brand:E3 Spark Plugs
  • Gap Size:0.03 Inches
  • Thread Size:14mm
  • Top Material Type:Alloy Steel
  • Vehicle Service Type:Race Car

Best Spark Plugs For Racing

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Top 10 Best Spark Plugs For Racing

Top Pick
1
Why we chose it
  • Country of Origin : Mexico
  • Package Weight: 0.181 kilograms
  • Features cut back ground electrode for improved ignitability of flame kernel
  • Package Dimensions: 10.795 H x 2.997 L x 8.991 W (centimetres)
  • Fit type: Vehicle Specific
Autolite-AR3910X Ar High Performance Racing Non-Resistor Spark Plug, 4-Pack: image
94%
customers recommend this product
4.7/ 5
Value for money4.2
Mileage3.8
2
Why we chose it
  • Compatible with vehicle type: race car
  • SMOOTHER ACCELERATION: Fast flame propagation initiated by the ground electrode results in a more complete burn of the fuel and air mixture
  • FOR HIGH-PERFORMANCE ENGINES: Replacement spark plug for a variety of racing applications, specifically designed to increase power, reduce fuel consumption, and improve hydrocarbon emissions
  • PATENTED TECHNOLOGY: DiamondFIRE ground electrode is secured to the shell with 2 legs that help facilitate excellent heat transfer and increase turbulence in the cylinder
  • CROSS-REFERENCE: Champion 293, 765, C53C, C53CX, C55C, and C55CX Autolite AR3931 NGK 6596 and R5671-11
  • WHAT’S INCLUDED: One 1 E3.111 spark plug. Features 14mm thread diameter 0.750-inch thread reach plug with gasket seat 5/8-inch hex size
E3 Spark Plugs E3.111 Premium Racing Spark Plug, Pack of 1: image
90%
customers recommend this product
4.5/ 5
Value for money5
Mileage4.7
3
Why we chose it
  • Features cut back ground electrode for improved ignitability of flame kernel
  • Specifically designed with colder heat ranges than the factory plug to enable performance modifications and handle intense conditions
  • Replacement racing spark plug used by many professional car drivers
  • Coated in an anti-corrosive nickel plating to prevent rusting
  • Contains an Yttrium-enhanced alloy to enable up to 8% reduction in side wire temperature for improved durability and less pre-ignition
  • Fit type: Vehicle Specific
Autolite AR135-4PK High Performance Racing Non-Resistor Spark Plug, Pack of 4: image
96%
customers recommend this product
4.8/ 5
4
Why we chose it
  • RE9B-T
  • RE7CL RE9BT Mazda RX-8 RX8 Leading Trailing
  • NGK 6701
  • RE7C-L
  • NGK 6700
4 New NGK Laser Iridium Racing Spark Plugs RE7CL RE9BT Mazda RX-8 1.3 R2: image
96%
customers recommend this product
4.8/ 5
5

E3 Spark Plugs E3.102 Racing Spark Plug

29 ratings | 13 offers | 29 Reviews
Price: $3.99$20.23
Why we chose it
  • Country of Origin : China
  • Package Dimensions: 3.5 L x 1 H x 1 W (inches)
  • Fit type: Vehicle Specific
  • Package Weight : 0.15 pounds
E3 Spark Plugs E3.102 Racing Spark Plug: image
86%
customers recommend this product
4.3/ 5
6

E3 Spark Plugs E3.110 Premium Racing Spark Plug, Pack of 1

47 ratings | 7 offers | 47 Reviews
Price: $3.99$9.98
Why we chose it
  • SMOOTHER ACCELERATION: Fast flame propagation initiated by the ground electrode results in a more complete burn of the fuel and air mixture
  • CROSS-REFERENCE: Autolite AR4152, AR4153 Champion 905, 1005, A5YC, RA4HC, RA4HCX
  • PATENTED TECHNOLOGY: DiamondFIRE ground electrode is secured to the shell with 2 legs that help facilitate excellent heat transfer and increase turbulence in the cylinder
  • WHAT’S INCLUDED: One (1) E3.110 spark plug. Features 12mm thread diameter 0.750-inch thread reach plug with gasket seat 5/8-inch hex size
  • FOR HIGH-PERFORMANCE ENGINES: Replacement spark plug for a variety of racing applications, specifically designed to increase power, reduce fuel consumption, and improve hydrocarbon emissions
E3 Spark Plugs E3.110 Premium Racing Spark Plug, Pack of 1: image
74%
customers recommend this product
3.7/ 5
7
Why we chose it
  • Individual Pack
  • Denso Auto Parts Brand
  • Brand new, never used.
  • Denso Auto Parts Part #IK16 5303
  • Authentic Product
DENSO IK16 Iridium Power Spark Plug Ik16 X 4Pieces Ignition Plugs Racing Upgrade: image
96%
customers recommend this product
4.8/ 5
Value for money4.4
Mileage4.3
Longevity4.1
8

E3 Spark Plugs E3.112 Premium Racing Spark Plug, Pack of 1

61 ratings | 8 offers | 61 Reviews
Price: $3.99$19.56
Why we chose it
  • SMOOTHER ACCELERATION: Fast flame propagation initiated by the ground electrode results in a more complete burn of the fuel and air mixture
  • WHAT’S INCLUDED: One 1 E3.112 spark plug. Features 14mm thread diameter 1-inch thread reach plug with taper seat 5/8-inch hex size
  • CROSS-REFERENCE: Brisk RR12S, RR14S
  • PATENTED TECHNOLOGY: DiamondFIRE ground electrode is secured to the shell with 2 legs that help facilitate excellent heat transfer and increase turbulence in the cylinder
  • FOR HIGH-PERFORMANCE ENGINES: Replacement spark plug designed for turbo, nitrous, or supercharged applications in the Ford Coyote or Chrysler Hemi engines
  • Compatible with vehicle type: motorcycle
E3 Spark Plugs E3.112 Premium Racing Spark Plug, Pack of 1: image
80%
customers recommend this product
4/ 5
Value for money3.4
Mileage2.8
9
Why we chose it
  • Package Quantity: 1
  • Coated in an anti-corrosive nickel plating to prevent rusting
  • Package Quantity: 1
  • Product Type: Auto Part
  • Package Dimensions: 2.54 cms (L) x 8.966 cms (W) x 10.490 cms (H)
Autolite AR3933X-4PK High Performance Racing Non-Resistor Spark Plug, 4 Pack: image
96%
customers recommend this product
4.8/ 5
10
Why we chose it
  • E3’s DiamondFIRE edge to edge electrode provides maximum performance with increased efficiency, and a faster more complete burn
  • Smoother Acceleration and Idle – The faster flame propagation initiated by the Patented DiamondFIRE ground electrode results in a more complete burn of the fuel/air mixture
  • Energy – More pressure is created against the cylinder and more of the available fuel is put to work
  • Primarily used in a wide variety of racing applications
  • Quicker Starts – The patented Edge to Edge design concentrates spark energy resulting in easy starts in all conditions
E3 Spark Plugs E3.101 Premium Racing Spark Plug with DiamondFIRE Technology, Pack of 1: image
96%
customers recommend this product
4.8/ 5
Top Pick
Autolite-AR3910X Ar High Performance Racing Non-Resistor Spark Plug, 4-Pack
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.
Ranking the Brands
Autolite: 30.00%
E3 Spark Plugs: 50.00%
NGK: 10.00%
Denso: 10.00%

Comparison Table

Сomparison: Autolite-AR3910X Ar High Performance Racing Non-Resistor Spark Plug, 4-Pack: imageСomparison: E3 Spark Plugs E3.111 Premium Racing Spark Plug, Pack of 1: imageСomparison: Autolite AR135-4PK High Performance Racing Non-Resistor Spark Plug, Pack of 4: imageСomparison: 4 New NGK Laser Iridium Racing Spark Plugs RE7CL RE9BT Mazda RX-8 1.3 R2: imageСomparison: E3 Spark Plugs E3.102 Racing Spark Plug: imageСomparison: E3 Spark Plugs E3.110 Premium Racing Spark Plug, Pack of 1: imageСomparison: DENSO IK16 Iridium Power Spark Plug Ik16 X 4Pieces Ignition Plugs Racing Upgrade: imageСomparison: E3 Spark Plugs E3.112 Premium Racing Spark Plug, Pack of 1: imageСomparison: Autolite AR3933X-4PK High Performance Racing Non-Resistor Spark Plug, 4 Pack: imageСomparison: E3 Spark Plugs E3.101 Premium Racing Spark Plug with DiamondFIRE Technology, Pack of 1: image
Autolite-AR3910X Ar High Performance Racing Non-Resistor Spark Plug, 4-PackE3 Spark Plugs E3.111 Premium Racing Spark Plug, Pack of 1Autolite AR135-4PK High Performance Racing Non-Resistor Spark Plug, Pack of 44 New NGK Laser Iridium Racing Spark Plugs RE7CL RE9BT Mazda RX-8 1.3 R2E3 Spark Plugs E3.102 Racing Spark PlugE3 Spark Plugs E3.110 Premium Racing Spark Plug, Pack of 1DENSO IK16 Iridium Power Spark Plug Ik16 X 4Pieces Ignition Plugs Racing UpgradeE3 Spark Plugs E3.112 Premium Racing Spark Plug, Pack of 1Autolite AR3933X-4PK High Performance Racing Non-Resistor Spark Plug, 4 PackE3 Spark Plugs E3.101 Premium Racing Spark Plug with DiamondFIRE Technology, Pack of 1
BrandAutoliteE3 Spark PlugsAutoliteNGKE3 Spark PlugsE3 Spark PlugsDensoE3 Spark PlugsAutoliteE3 Spark Plugs
Top Material TypeAlloy SteelAlloy SteelNickelAlloy SteelAlloy SteelAlloy SteelNickel
Vehicle Service TypeCarRace CarCarMotorcycleRacing ApplicationsMotorcycleCar
ManufacturerFRAME3 Spark PlugsAutoliteNGK Spark PlugsE3 Spark PlugsE3 Spark PlugsDENSOE3 Spark PlugsFRAME3 Spark Plugs
Item Weight1.92 ounces1.44 ounces1.58 ounces9.1 ounces1.6 ounces0.81 ounces1.44 ounces1.76 ounces1.92 ounces1.6 ounces
Product Dimensions1.4 x 0.45 x 0.16 inches3.4 x 0.8 x 0.9 inches1 x 1 x 3.4 inches1 x 4 x 6 inches1 x 1 x 3.5 inches1 x 1 x 3.5 inches5 x 1 x 1 inches0.94 x 3.5 x 0.88 inches
Country of OriginMexicoChinaMexicoChinaChinaChinaUSAChina
ExteriorChromeMachinedMachinedMachinedMachinedMachined
Gap Size0.03 Inches0.03 Millimeters0.03 Inches0.03 Inches
Is Discontinued By ManufacturerNoNoNoNo

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