2Bros Parts

NGK SPARK PLUG R5673-8 3249

£3.13

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

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NGK Spark Plug R5673-8 3249. Designed to withstand the harshest engine conditions. Features a unique V-cut in the center electrode for faster spark development, improved ignitability, and reduced quenching. Special insulator nose configuration enhances throttle response. Trivalent metal plating offers 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 efficient heat removal. Triple seals prevent leakage. Sold individually. Specifications include Part Number 37-R5673-8, NGK Reference Number 4140, Thread Reach 11.2 mm (7/16"), Thread Diameter 14 mm, Terminal Type Fixed Terminal, Electrode Material V-Grooved Nickel, Hex Spanner Size 16 mm (5/8"), Type Non-Resistor, and Pack Size Single Unit. This racing spark plug is engineered for high-performance engines, providing superior ignitability, durability, and throttle response under extreme conditions. The V-groove design enhances combustion efficiency and power, making it ideal for racing applications that demand maximum reliability and performance.

Specifications
SKU
37-R5673-8
Brand
NGK
Availability
In Stock (16)
General Product Group
Ignition & Electrical Parts
General Product Type
Spark Plug
Variant Id
235641
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

NGK Racing Spark Plug R5673-8

The NGK Racing Spark Plug R5673-8 is engineered to perform under the most demanding engine conditions. This high-performance spark plug is designed to deliver superior ignitability, durability, and throttle response, making it an excellent choice for racing applications.

Key Features:

  • V-Power technology with a unique V-cut in the center electrode for faster spark development, improved ignitability, and reduced quenching.
  • Special insulator nose configuration enhances throttle response.
  • Trivalent metal plating provides exceptional anti-corrosion and anti-seizing properties.
  • Corrugated ribs are incorporated to prevent flashover.
  • Pure alumina silicate ceramic insulator offers superior strength and enhanced heat transfer.
  • A copper core facilitates efficient heat removal.
  • Triple seals are utilized to prevent leakage.
  • Designed as a non-resistor type.
  • Fixed terminal type.
  • V-Grooved Nickel electrode material.
  • Sold individually.

Specifications:

  • NGK Reference Number: 4140
  • Thread Reach: 11.2 mm (7/16 inch)
  • Thread Diameter: 14 mm
  • Hex Spanner Size: 16 mm (5/8 inch)

This racing spark plug is built for high-performance engines, ensuring maximum reliability and power output when it matters most.

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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

Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy

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