Top 3 NGK Ifr6a11 Iridium Spark Plug – Automotive Replacement Spark Plugs

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1. NGK


NGK 4589 Iridium Plug

NGK #ad - Extreme long life laser iridium plug - Iridium Tipped Fine Wire Center Electrode with Platinum Tipped Ground Electrode. Ngk part# ifr6t-11.
BrandNGK #ad
ManufacturerNGK #ad
Height2.08 Inches
Length4.35 Inches
Weight0 Pounds
Width2.24 Inches
Part Number4589

2. Denso


Denso 3297 SK20R11 Spark Plugs, Pack of 4

Denso #ad - 07mm fine wire iridium-Tipped Center Electrode, Long life and high reliability. Denso # sk20r11 3297. Extra long life Iridium Plug, Excellent acceleration and performance. Stable combustion during idling, Features iridium with high melting point. Single Plug.
BrandDenso #ad
ManufacturerD-E-N-S-O #ad
Height0.6 Inches
Length3.4 Inches
Weight0.1 Pounds
Width0.8 Inches
Part Number3297-4
ModelSK20R11 3297
WarrantyWarranty:1 year warranty; Benefits: High precision, hermetically sealed, small size unquestionable, If you are not satisfied with our products, we will resend or refund your full money. Contact us if have any inquiry, please feel free to contact us with Amazon message. Your questions will be replied within 24 hours. Any problems, please contact us first instead of open case or negative/neutral feedback, it will be solved very well! 100% customer satisfaction always be our goal!!!

3. Denso


Pack of 1, Denso 3297 SK20R11 Iridium Spark Plug

Denso #ad - Features iridium with high melting point. Sk20r11. Stable combustion during idling. Excellent acceleration and performance. Long life and high reliability.
BrandDenso #ad
ManufacturerDenso #ad
Height0.98 Inches
Length3.35 Inches
Width0.98 Inches
Part NumberSK20R11