IRI Series Iridium Spark Plug 4051 for 4-Wheeled Vehicles

[NGK IRIMAC9 Iri-Series Iridium Spark Plug 4051 for 4-wheel vehicles ngk irimac9-4051]
The Iri-Series plugs are iridium spark plugs with superior ignitability and acceleration, designed for tuned engines that require high heat ratings.
The insulator shape has been renewed with three bands on the corrugation, and the metal shell also features plating with excellent corrosion resistance.
Terminal shape: Punch-crimp type
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