Ideal spark plug for Harley Ironhead 1000cc. NGK's Standard Plugs are Constructed for Longer Life and Optimum Performance.
- Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing Properties
- Corrugated Ribs Prevent Flashover
- Pure Alumina Silicate Ceramic Insulator, Provides Superior Strength and Better Heat Transfer
- Copper Core Aids in Heat Removal
- Triple Seals Prevent Leakage
Spark plugs sold each.
Pictured product appearance is subject to change.
As a manufacturer and supplier we are unable to provide any repair or diagnostic advice. Please consult a factory service manual or qualified motorcycle technician.