NGK

NGK Racing Spark Plugs R7420-9 High-Performance Automotive Ignition

Part # 6448 SKU 394685

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$491.92
$198.99
You save $292.93 )
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SKU: 394685
Width: 4.00 (in)
Height: 4.00 (in)
Depth: 1.00 (in)
Shipping
Free, US only. Arrives in 2–4 days.
Returns
60-day free returns. Wrong fit? Our team is here 24/7. Details
Help
Not sure it fits? +1 619-577-3602
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Highlights

Pre-gap size
0.028
Ground electrode quantity
1
Configuration
Slant
Ground configuration
Slant
Center electrode core material
Copper
Seat type
Flat
Center electrode tip material
Iridium
Insulator height
67
Ground electrode core material
Platinum
Reach
21.5
Ground electrode tip design
Pin Type
Electrical terminal type
Non-Removable Nut
Material
Platinum
Resistance
5000
Type
Spark Plug
Performance benefit
Improved Ignitability, Heat Dissipation, and Throttle Response

Description

NGK Racing Spark Plugs R7420-9 High-Performance Automotive Ignition

The NGK Racing Spark Plugs R7420-9 are designed for high-performance automotive applications where superior ignition and engine response are critical. These spark plugs are engineered with advanced materials and technologies that ensure reliable performance under extreme conditions, making them ideal for motorsport enthusiasts and professional racers alike. The innovative design increases thermal efficiency and helps maintain proper combustion, which is essential for maximizing horsepower and torque.

Featuring a unique construction, the R7420-9 spark plugs utilize a copper core for improved heat conductivity, extending the life of the plug while enhancing performance. The reduced gap size allows for a stronger spark, which leads to improved fuel combustion. As a result, this not only enhances engine performance but also contributes to better fuel efficiency and lower emissions--an important aspect in today's environmentally conscious automotive landscape.

The precision-engineered design of these spark plugs ensures optimal fit and function in a wide range of high-performance engines. They are built to withstand the rigors of racing, including extreme heat and high RPMs, which can usually cause standard spark plugs to fail. With the NGK R7420-9, you can trust that your engine will perform at its best, lap after lap.

FITMENT: The NGK R7420-9 Racing Spark Plugs are compatible with a variety of high-performance vehicles. It is advisable to verify compatibility with your specific engine model to ensure optimal performance and fit.

Key Features & Benefits

  • High-performance ignition solution for motorsport and racing applications.
  • Copper core for improved heat dissipation and longer lifespan.
  • Enhanced spark intensity for better fuel combustion and engine efficiency.
  • Engineered to withstand extreme racing conditions, including high temperatures and RPMs.
  • Precision design for optimal fit in a wide range of engines.

Specifications

Identification
BrandNGK
Part number6448
SKU394685
Dimensions and weight
Dimensions (W × H × D)4.00 × 4.00 × 1.00 in
Material and finish
MaterialPlatinum
Series and warranty
Details
Pre-gap size0.028
Ground electrode quantity1
ConfigurationSlant
Ground configurationSlant
Center electrode core materialCopper
Seat typeFlat
Center electrode tip materialIridium
Insulator height67
Ground electrode core materialPlatinum
Reach21.5
Ground electrode tip designPin Type
Electrical terminal typeNon-Removable Nut
Resistance5000
TypeSpark Plug
Performance benefitImproved Ignitability, Heat Dissipation, and Throttle Response

Shipping and returns

Shipping. Free on every order, US only. Orders arrive in 2–4 days.

Returns. 60-day free returns, except in extreme cases.

Support. Our team is available 24/7 for fitment mismatches or any other reason.

Warranty. Full manufacturer guarantee.

NGK Racing Spark Plugs R7420-9 High-Performance Automotive Ignition
NGK Racing Spark Plugs R7420-9 High-Performance Automotive Ignition
$491.92
$198.99
You save $292.93 )

Not sure about this part? Ask us.

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