2Bros Parts

NGK SPARK PLUG FR9BI-11 4709

£12.19

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UK delivery £4.99, free over £60 2–4 business days

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NGK Iridium IX Spark Plug FR9BI-11 features a 0.6 mm iridium center electrode tip for superior ignitability and a tapered ground electrode for optimal performance. It offers outstanding acceleration, high fuel efficiency, and long service life, designed for demanding engines. Specifications include a heat range of 9, 14 mm thread size, and a resistor type. This spark plug is sold individually and has trivalent metal plating for anti-corrosion and anti-seizing properties, corrugated ribs to prevent flashover, a pure alumina silicate ceramic insulator for strength and heat transfer, a copper core for heat removal, and triple seals to prevent leakage. OEM part numbers include 4709 and FR9BI11.

Specifications
SKU
37-FR9BI-11
Brand
NGK
Availability
In Stock (10)
General Product Group
Ignition & Electrical Parts
General Product Type
Spark Plug
Variant Id
235609
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

NGK Iridium IX Spark Plug - FR9BI11

The NGK Iridium IX Spark Plug represents the pinnacle of high-performance ignition technology. Engineered for demanding applications, these spark plugs deliver exceptional ignitability and durability, ensuring optimal engine performance.

Key Features:

  • 0.6 mm iridium center electrode tip: Provides superior ignitability without compromising longevity.
  • Tapered ground electrode: Enhances flame kernel expansion for maximum performance in high-stress environments.
  • Fine wire iridium and platinum tips: Contributes to stable idling, superior anti-fouling, slow wear rates, improved fuel efficiency, and reduced emissions.
  • Trivalent metal plating: Offers excellent resistance to corrosion and seizing.
  • Corrugated ribs: Designed to prevent flashover.
  • Pure alumina silicate ceramic insulator: Provides enhanced strength and superior heat transfer capabilities.
  • Copper core: Facilitates effective heat removal from the engine.
  • Triple seals: Ensure leak-free operation.
  • Designed for serious enthusiasts seeking outstanding acceleration, high fuel efficiency, and extended service life.
  • Proven performance for demanding engines.
  • Sold individually.

Specifications:

  • Heat Range: 9
  • Thread Size: 14 mm
  • Type: Resistor
  • Weight: 0.43 lbs
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UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details

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