NGK KR8BI Laser Iridium Spark Plug - 4347

Experience superior ignition performance with the NGK Laser Iridium Spark Plug. Designed for optimal combustion and longevity, this spark plug delivers reliable starts and improved fuel efficiency for your engine. Upgrade to NGK and feel the difference.

Description

The NGK Laser Iridium Spark Plug provides exceptional durability and performance. Featuring a fine wire iridium center electrode, this spark plug ensures a concentrated spark and enhanced ignitability. The trivalent metal plating offers superior anti-corrosion and anti-seizing properties, ensuring a long service life. Its pure alumina silicate ceramic insulator provides exceptional strength and improved heat transfer, while the copper core aids in efficient heat removal, preventing overheating and maintaining consistent performance. Triple seals eliminate leakage, ensuring optimal combustion chamber sealing. Upgrade your engine's performance with NGK's advanced spark plug technology.

Features & highlights

• Iridium fine wire center electrode provides superior ignitability and performance.
• Trivalent metal plating enhances anti-corrosion and anti-seizing properties for extended life.
• Pure alumina silicate ceramic insulator improves strength and heat transfer.
• Copper core ensures efficient heat removal, preventing overheating.
• Triple seals prevent combustion leakage, maintaining optimal pressure.
• Corrugated ribs prevent flashover, ensuring consistent spark delivery.

Technical specifications

• Brand: NGK Spark Plugs
• Vendor Part Number: 4347
• Center Electrode Type: Fine Wire
• Center Electrode Projection: Projected
• Electrode Tip Material: Iridium
• Electrical Resistance: 5k Ohms
• Ground Electrode Configuration: Single
• Ground Electrode Shape: Standard
• Heat Range: 8
• Hex Size: 16 mm (5/8")
• Spark Gap: 0.76 mm
• Thread Reach: 19 mm (3/4")
• Thread Size: 12 mm
• Terminal Configuration: Solid Terminal
• Type: Resistor

Important to know

Ensure this spark plug is the correct fitment for your vehicle. Refer to your vehicle's service manual or consult a qualified mechanic for compatibility information.