Best Spark Plugs For 7.4 Vortec: image
Top Pick

Iridium IX spark plug has a long insulator nose to prevent fouling and a triple gasket seal eliminates combustion gas leakage. The insulator is made from high-purity aluminium alloy with a thickness of 0.6 millimeter, making it the most durable in the world. It also offers anti-corrosion properties. The insulator’s tapered ground electrode reduces electrical noise by up to 90%. This makes it ideal for racing engines. Notably, Iridium was launched i

Best Budget

Original Nascar plug. This is the original replacement for the platinum alloy on the center electrode and pad form on the ground shield strap. It has been tested to withstand high temperatures and conductivity, making it one of the most stable in the world. The product is manufactured by Niti International Limited (NIL) under license number 00218.

Honorable Mention

Specific to your vehicle, Autolite double platinum spark plugs provide a longer life and improved fuel economy. The spark plugs are made from high-purity nickel alloy with no gap erosion and provide 100-kilowatt hours of power. They have been tested in various conditions including cold start, cold start, overheating, etc. It is designed to reduce the friction between the spark plug and the engine. The spark plugs last for about five years. Notably, diesel engines consume more fuel than petrol engines. Diesel engines run o

Best Spark Plugs For 7.4 Vortec

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Top 10 Best Spark Plugs For 7.4 Vortec

Top Pick
1

NGK 5464 BKR5EIX-11 Iridium IX Spark Plug, Pack of 4

1,853 ratings | 13 offers | 1,853 Reviews
Price: $27.98$50.74
Why we chose it
  • Longer insulator nose prevents fouling, the corrugated ribs on insulator prevents flashover, and a triple gasket seal eliminates combustion gas leakage
  • Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling
  • Trivalent Metal Plating Part number of spark plug inside the box: BKR5EIX-11
  • Iridium alloy has extremely high melting point, giving it high durability to heat and electrical wear, perfect for today’s high performance engines
  • The 0.6 millimeter laser welded fine Iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical quenching effect
NGK 5464 BKR5EIX-11 Iridium IX Spark Plug, Pack of 4: image
96%
customers recommend this product
4.8/ 5
Value for money4.5
Mileage4.5
Longevity4.5
2

Autolite APP3924-4PK Double Platinum Spark Plug, 4 Pack

114 ratings | 13 offers | 114 Reviews
Price: $12.99$41.64
Why we chose it
  • Fit type: Vehicle Specific
  • full platinum tips ensure virtually no gap erosion
  • high nickel alloy side electrode maintains precise gap
  • full copper core electrode provides better performance in all conditions
  • works to optimize engine performance for a longer life and improved fuel economy
  • necked-down center electrode fires quicker and cleaner, with less voltage for easier starts and quicker acceleration
Autolite APP3924-4PK Double Platinum Spark Plug, 4 Pack: image
92%
customers recommend this product
4.6/ 5
Mileage4.8
Value for money4.7
Longevity4.6
3

ACCEL 0526-4 HP Copper Spark Plug

3 ratings | 11 offers | 3 Reviews
Price: $12.96$36.16
Why we chose it
  • ACCEL 0526-4 U-Groove Resistor Spark Plug 14mm Thread .708 in. Reach Heat Range 6 4 Pack
ACCEL 0526-4 HP Copper Spark Plug: image
100%
customers recommend this product
5/ 5
4

ACCEL U-Groove 2410A Spark Plug Pair 2410A

8 ratings | 5 offers | 8 Reviews
Price: $24.67$37.6
Why we chose it
  • High quality copper/nickel alloy electrode
  • Improves engine efficiency and reduces emissions
  • Patented U shape group electrode produces a wider, hotter spark
  • Highly foul resistant and dissipates heat belter than any other material
  • Heavy duty 5 rib insulators prevent flashover
ACCEL U-Groove 2410A Spark Plug Pair 2410A: image
98%
customers recommend this product
4.9/ 5
5

ACCEL U-Groove 2418 Spark Plug Pair 2418

11 ratings | 4 offers | 11 Reviews
Price: $26.68$37.6
Why we chose it
  • High quality copper/nickel alloy electrode
  • Patented U shape group electrode produces a wider, hotter spark
  • Improves engine efficiency and reduces emissions
  • Heavy duty 5 rib insulators prevent flashover
  • Highly foul resistant and dissipates heat belter than any other material
ACCEL U-Groove 2418 Spark Plug Pair 2418: image
72%
customers recommend this product
3.6/ 5
6

Autolite XP5363-4PK Iridium XP Spark Plug, Pack of 4

145 ratings | 6 offers | 145 Reviews
Price: $18.82$31.45
Why we chose it
  • Iridium-enhanced 0.6mm finewire design for optimal durability and performance
  • Limited lifetime warranty
  • Better overall ignitability and optimum performance
  • V-trimmed ground electrode for improved ignitability
  • Platinum protected ground wire for maximum efficiency in all ignition types
Autolite XP5363-4PK Iridium XP Spark Plug, Pack of 4: image
92%
customers recommend this product
4.6/ 5
Longevity5
Value for money4.7
Mileage4.5
7

Autolite XP985-4PK Iridium XP Spark Plug, Pack of 4

82 ratings | 8 offers | 82 Reviews
Price: $16.16$45.08
Why we chose it
  • Limited lifetime warranty
  • Iridium-enhanced 0.6mm finewire design for optimal durability and performance
  • V-trimmed ground electrode for improved ignitability
  • Better overall ignitability and optimum performance
  • Platinum protected ground wire for maximum efficiency in all ignition types
Autolite XP985-4PK Iridium XP Spark Plug, Pack of 4: image
96%
customers recommend this product
4.8/ 5
Value for money5
Mileage5
8

Autolite XP5863-4PK Iridium XP Spark Plug, 4 Pack

32 ratings | 6 offers | 32 Reviews
Price: $19.22$38.41
Why we chose it
  • Country Of Origin: Mexico
  • Product Type:Spark Plug
  • Item Package Dimension:2.794 cm L X9.144 cm W X10.668 cm H
  • Item Package Weight:0.222 Kilograms
Autolite XP5863-4PK Iridium XP Spark Plug, 4 Pack: image
90%
customers recommend this product
4.5/ 5
9

New Motorcraft SP432 Spark Plug(8 PACK) Finewire Platinum

132 ratings | 6 offers | 132 Reviews
Price: $29.03$42.35
Why we chose it
  • Ford Taurus
  • Cadillac Seville
  • Cadillac DeVille
  • Mazda B3000
  • Chevrolet Cavalier
New Motorcraft SP432 Spark Plug(8 PACK) Finewire Platinum: image
96%
customers recommend this product
4.8/ 5
Longevity5
Value for money4.7
Mileage4.6
10

New Motorcraft SP547 Spark Plug (8 PACK) Finewire Platinum

26 ratings | 2 offers | 26 Reviews
Price: $77.99$107.17
Why we chose it
  • Platinum alloy enhancement in fine-wire form on center electrode and pad form on ground shield strap
  • Official plug of Nascar
  • Conducting glass-seal terminations and carbon-based resistor
  • Two platinum alloys (Platinum nickel and platinum iridium)
  • PACK OF 8
New Motorcraft SP547 Spark Plug (8 PACK) Finewire Platinum: image
96%
customers recommend this product
4.8/ 5
Top Pick
NGK 5464 BKR5EIX-11 Iridium IX Spark Plug, Pack of 4
Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior anti fouling. The 0.6 millimeter laser welded fine Iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical quenching effect. Longer insulator nose prevents fouling, the corrugated ribs on insulator prevent flashover, and a triple gasket seal eliminates combustion gas leakage. Iridium alloy has extremely high melting point, giving it high durability to heat and electrical wear, perfect for today's high performance engines. Trivalent metal plating - superior anti-corrosion and anti-seizing properties. Copper core aids in heat removal
Ranking the Brands
NGK: 10.00%
Autolite: 40.00%
ACCEL: 30.00%
Ford: 10.00%
Motorcraft: 10.00%

Comparison Table

Сomparison: NGK 5464 BKR5EIX-11 Iridium IX Spark Plug, Pack of 4: imageСomparison: Autolite APP3924-4PK Double Platinum Spark Plug, 4 Pack: imageСomparison: ACCEL 0526-4 HP Copper Spark Plug: imageСomparison: ACCEL U-Groove 2410A Spark Plug Pair 2410A: imageСomparison: ACCEL U-Groove 2418 Spark Plug Pair 2418: imageСomparison: Autolite XP5363-4PK Iridium XP Spark Plug, Pack of 4: imageСomparison: Autolite XP985-4PK Iridium XP Spark Plug, Pack of 4: imageСomparison: Autolite XP5863-4PK Iridium XP Spark Plug, 4 Pack: imageСomparison: New Motorcraft SP432 Spark Plug(8 PACK) Finewire Platinum: imageСomparison: New Motorcraft SP547 Spark Plug (8 PACK) Finewire Platinum: image
NGK 5464 BKR5EIX-11 Iridium IX Spark Plug, Pack of 4Autolite APP3924-4PK Double Platinum Spark Plug, 4 PackACCEL 0526-4 HP Copper Spark PlugACCEL U-Groove 2410A Spark Plug Pair 2410AACCEL U-Groove 2418 Spark Plug Pair 2418Autolite XP5363-4PK Iridium XP Spark Plug, Pack of 4Autolite XP985-4PK Iridium XP Spark Plug, Pack of 4Autolite XP5863-4PK Iridium XP Spark Plug, 4 PackNew Motorcraft SP432 Spark Plug(8 PACK) Finewire PlatinumNew Motorcraft SP547 Spark Plug (8 PACK) Finewire Platinum
BrandNGKAutoliteACCELACCELACCELAutoliteAutoliteAutoliteFordMotorcraft
Core MaterialIridiumCopperCopperCopperIridiumIridiumPlatinum
Top Material TypeMetalNickelNickelNickelNickelNickelNickel
ManufacturerNGKAutoliteACCELACCELACCELFRAMFRAMFRAMMotorcraftMotorcraft
Item Weight1.6 ounces7 ounces3.52 ounces3.52 ounces1.92 ounces7 ounces1.76 ounces12.8 ounces14.9 ounces
Product Dimensions3.62 x 3.84 x 0.96 inches5 x 1 x 5 inches14.96 x 11.42 x 5.91 inches14.96 x 11.42 x 5.91 inches3.38 x 1 x 1 inches3.38 x 1 x 1 inches
Is Discontinued By ManufacturerNoNoNoNo
ExteriorMachinedChromeChromeChromeMachined
Country of OriginMexicoMexicoMexicoMexico

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