NGK

NGK Iridium Racing Spark Plug Box of 4 (R7437-8) - 4901

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SKU:
NGK4901
UPC:
87295149010
MPN:
4901
Availability:
Regularly stocked product
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$258.99
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Description

What is the best way to ensure proper installation and performance of NGK Iridium Racing spark plugs?
Confirm precise vehicle fitment before installation, and always adhere to professional installation recommendations for optimal NGK Iridium Racing spark plug function.

Are NGK Iridium Racing spark plugs suitable for street use?
Achieving faster throttle response and improved combustion efficiency, NGK Iridium Racing spark plugs enhance street performance with their superior heat transfer design.

NGK Iridium Racing spark plugs are engineered for demanding motorsport applications, achieving a top usage score of 10 for racing competition. Their pure alumina silicate ceramic insulator provides superior strength and excellent heat transfer. Trust NGK for race-winning reliability and unmatched engine protection.

Key Features

  • TRIVALENT METAL PLATING
  • superior anti-corrosion and anti-seizing properties
  • Pure alumina silicate ceramic insulator provides superior strength and better heat transfer
  • Trivalent metal plating for superior anti-corrosion and anti-seizing properties
  • Copper core aids in heat removal
  • Triple seals prevent leakage

Why Choose the NGK Iridium Racing

Delivers consistent ignition performance under extreme racing conditions.

Achieves faster throttle response and improved combustion efficiency.

Provides enhanced engine reliability and protection against seizure.

Transforms your engine's ability to handle extreme heat and pressure.

Who Is This For?

Racing Competition — 10/10
Designed for race-only with superior anti-corrosion and anti-seizing.

Track / Autocross — 9/10
Superior heat transfer and anti-seizing for demanding track use.

Drag Racing — 9/10
Reliability and heat management crucial for drag racing performance.

Street Performance — 7/10
Copper core and ceramic insulator aid heat removal and performance.

Engine Performance — 8/10
Improved heat transfer and anti-seizing contribute to engine performance.

High Speed Desert Running — 8/10
Anti-corrosion and heat transfer beneficial for high-speed conditions.

Additional Resources

Official NGK Product Page

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Additional Information

Clearance Item:
N
MPN:
4901
Proposition 65:
N
Case Lot Quantity:
4
Category:
Ignition>Spark Plugs
Universal Fitment:
Y
Product Level:
Race Only
Racing Competition:
10/10
Track / Autocross:
9/10
Drag Racing:
9/10
Street Performance:
7/10
Engine Performance:
8/10
High Speed Desert Running:
8/10
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