NGK Iridium/Platinum Spark Plug 9539 - IMR8E-9HES

NGK's Laser Iridium Spark Plugs Provide Superior Ignitability and Long Service Life.

Fine Wire Iridium Tipped Center Electrode and Fine Wire Platinum Tipped Ground Electrode Ensures Slow Wear Rate Providing Stable Idle, Superior Anti Fouling, Improved Fuel Efficiency and Lower Emissions.

• Trivalent Metal Plating Provides 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 Heat Removal
• Triple Seals Prevent Leakage
• Sold individually

Features

• Laser Welded Tips
• Trivalent Metal Plating
• Longest Life Available

Shell

• Thread Size: 10mm
• Thread Pitch: 1.0mm
• Seat Type: Gasket
• Resistor: Yes
• Resistor Value: 5K Ohm
• Reach: 19mm (3/4")
• Hex Size: 5/8" (16mm)
• Terminal Type: Threaded Stud
• Overall Height: ISO
• Gap:. 035" (0.9mm)

Center Electrode

• Material: Iridium
• Type: Fine Wire
• Size: 0.6mm
• Projection: Projected

Ground Electrode

• Material: Platinum
• Type: Standard
• Quantity: 1

Specifications

• Torque Specs: Cast Iron: 7.2-10.8 lb. ft. Aluminum: 7.2-8.7 lb. ft.
• Brand: NGK
• Heat Range: 8
• Longevity: 80-100k
• Features: 12.7mm Threaded Reach

Note: Image for reference only, actual product may vary.