NGK Laser Platinum Spark Plug 4259 - PMR7A

NGK's Laser Platinum Series Plugs Provide High Ignitability and Longer Service Life.

Laser Welded Dual Platinum Surfaces Ensure 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 Platinum
• Trivalent Metal Plating
• Anti-Fouling Characteristics

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: Solid
• Overall Height: Bantam
• Gap:. 028" (0.7mm)

Center Electrode

• Material: Platinum
• Type: Fine Wire
• Size: 1.0mm
• Projection: Non-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: 7