NGK Racing Spark Plug R5674-8
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NGK Racing Spark Plug R5674-8

NGK Racing Spark Plug R5674-8

NGK designed this R5674-8 Racing Spark Plug to withstand the severe mechanical and thermal shock associated with high-revving, high-performance engines! This plug features special electrode materials—precious metals like platinum, iridium, and ruthenium—for greater durability and low voltage requirements. Fine-wire center and ground electrodes provide better sparking and enhanced ignitability, while the unique arrangement of insulator noses improves throttle response!  

As the largest OE manufacturer of spark plugs in North America, NGK brings more than 80 years of automotive experience into producing some of the best performing and most reliable spark plugs in the industry. From passenger vehicles to race cars, motorcycles to watercraft, NGK offers high-quality spark plugs for nearly every application.

NGK R5674-8 Racing Spark Plug Features:

  • Stock Number: 5657
  • Thread Size: 14mm
  • Reach: 0.460 in.
  • Heat Range: 8
  • Insulator Type: Projected
  • Wrench Size: 5/8 in.
  • Core Type: Non-Resistor
  • Core Material: Copper
  • Tip Material: Nickel
  • Seat Type: Tapered
  • Plug Length: Standard
  • Ground Strap Quantity: One
  • Quantity: Sold Individually

Whether you're a weekend warrior or professional racer, rocket your way to victory with NGK Racing Spark Plugs - the people who spark winners!

$2.10

Original: $5.99

-65%
NGK Racing Spark Plug R5674-8

$5.99

$2.10

NGK Racing Spark Plug R5674-8

NGK designed this R5674-8 Racing Spark Plug to withstand the severe mechanical and thermal shock associated with high-revving, high-performance engines! This plug features special electrode materials—precious metals like platinum, iridium, and ruthenium—for greater durability and low voltage requirements. Fine-wire center and ground electrodes provide better sparking and enhanced ignitability, while the unique arrangement of insulator noses improves throttle response!  

As the largest OE manufacturer of spark plugs in North America, NGK brings more than 80 years of automotive experience into producing some of the best performing and most reliable spark plugs in the industry. From passenger vehicles to race cars, motorcycles to watercraft, NGK offers high-quality spark plugs for nearly every application.

NGK R5674-8 Racing Spark Plug Features:

  • Stock Number: 5657
  • Thread Size: 14mm
  • Reach: 0.460 in.
  • Heat Range: 8
  • Insulator Type: Projected
  • Wrench Size: 5/8 in.
  • Core Type: Non-Resistor
  • Core Material: Copper
  • Tip Material: Nickel
  • Seat Type: Tapered
  • Plug Length: Standard
  • Ground Strap Quantity: One
  • Quantity: Sold Individually

Whether you're a weekend warrior or professional racer, rocket your way to victory with NGK Racing Spark Plugs - the people who spark winners!

Product Information

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Description

NGK designed this R5674-8 Racing Spark Plug to withstand the severe mechanical and thermal shock associated with high-revving, high-performance engines! This plug features special electrode materials—precious metals like platinum, iridium, and ruthenium—for greater durability and low voltage requirements. Fine-wire center and ground electrodes provide better sparking and enhanced ignitability, while the unique arrangement of insulator noses improves throttle response!  

As the largest OE manufacturer of spark plugs in North America, NGK brings more than 80 years of automotive experience into producing some of the best performing and most reliable spark plugs in the industry. From passenger vehicles to race cars, motorcycles to watercraft, NGK offers high-quality spark plugs for nearly every application.

NGK R5674-8 Racing Spark Plug Features:

  • Stock Number: 5657
  • Thread Size: 14mm
  • Reach: 0.460 in.
  • Heat Range: 8
  • Insulator Type: Projected
  • Wrench Size: 5/8 in.
  • Core Type: Non-Resistor
  • Core Material: Copper
  • Tip Material: Nickel
  • Seat Type: Tapered
  • Plug Length: Standard
  • Ground Strap Quantity: One
  • Quantity: Sold Individually

Whether you're a weekend warrior or professional racer, rocket your way to victory with NGK Racing Spark Plugs - the people who spark winners!

NGK Racing Spark Plug R5674-8 | Winners Circle