Specifications
- Brand
- NGK
- Part #
- 4857
- UPC
- 87295148570
NGK Racing Iridium .5 Spark Plug Box of 4 (R7420-105)
Box of 4
Sold as a complete box
Per Unit
$48.99
Box of 4 Total
$195.96
$195.96
for box of 4Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.
NGK Racing Iridium .5 Spark Plug Box of 4 (R7420-105). Built for extreme racing conditions.
Key Features
- This product includes a box of 4 NGK Racing Iridium spark plugs.
- Trivalent metal plating offers strong anti-corrosion and anti-seizing properties.
- The pure alumina silicate ceramic insulator provides solid strength and improved heat transfer.
- Special insulator nose designs help improve throttle response.
- Corrugated ribs on the insulator body help prevent flashover.
- A copper core aids in removing heat from the combustion chamber.
Product Details
This box contains four NGK Racing Iridium spark plugs, part number R7420-105. These plugs are built for the demands of racing, designed to handle the intense conditions found on the track. NGK has a long history of powering champions across various racing disciplines worldwide.
The center electrode on these racing plugs features special designs to ensure they hold up under stress and ignite fuel reliably. They offer high performance across different heat ranges, with specific configurations suited for a wide array of racing applications. The trivalent metal plating on the plug body helps prevent corrosion and seizing, making installation and removal easier. Plus, the copper core inside helps dissipate heat effectively, and triple seals work to prevent any leaks.
Specifications
- Brand
- NGK
- Manufacturer Part #
- 4857
- UPC
- 87295148570
Frequently Asked Questions
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NGK Racing Iridium .5 Spark Plug Box of 4 (R7420-105)