NGK Standard Spark Plug 3901 - CPR7EA-9

NGK's Standard Plugs are Constructed for Longer Life and Optimum Performance.

• 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

• Corrugated Ribs
• Triple-Gasket Sealing Process
• Copper Core

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: Nickel
• Type: Standard
• Size: 2.5mm
• Projection: Projected

Ground Electrode

• Material: Nickel
• 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
• Longevity: 30k