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Est. 1957
NGK

NGK Racing Spark Plug Box of 4 (R2556G-9)

Box of 4

Sold as a complete box

Per Unit

$45.48

Box of 4 Total

$181.90

$181.90

for box of 4
On Backorder — Expected to ship by May 3, 2026

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

NGK Racing Spark Plug Box of 4 (R2556G-9). Built for extreme racing conditions.

Key Features

  • Fits racing applications.
  • Trivalent metal plating offers anti-corrosion and anti-seizing properties.
  • Pure alumina silicate ceramic insulator provides superior strength and better heat transfer.
  • Special insulator nose configurations improve throttle response.
  • Corrugated ribs prevent flashover.
  • Copper core aids in heat removal.
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About this part

Product Details

NGK Racing spark plugs are built for the toughest racing conditions. These plugs are designed to handle the extreme demands found in motorsports, and you'll see them used by champions across various racing disciplines worldwide. The center electrode features special designs to ensure it lasts and ignites reliably, even under intense heat and pressure. NGK Racing plugs offer high performance across a range of heat levels, with unique configurations tailored for different racing applications. They are made to endure the harshest engine environments.

The trivalent metal plating on these plugs helps prevent corrosion and seizing, making installation and removal easier. The pure alumina silicate ceramic insulator offers solid strength and transfers heat effectively. Special designs on the insulator nose can improve throttle response, and corrugated ribs help prevent flashover. A copper core assists in removing excess heat, and triple seals are used to prevent any leaks.

Specifications

Brand
NGK
Manufacturer Part #
93253
UPC
87295932537

Frequently Asked Questions

NGK Racing Spark Plug Box of 4 (R2556G-9)

$181.90