NGK Racing Spark Plug 4091 - R5671A-7

NGK Racing Series Plugs are Engineered to Withstand the Harshest Engine Conditions.

Features

• Racing Series Spark Plug
• Copper Gasket
• Hardened Ceramic
• Sold individually

Shell

• Thread Size: 14mm
• Thread Pitch: 1.25mm
• Seat Type: Gasket
• Resistor: No
• Reach: 19mm (3/4")
• Hex Size: 5/8" (16mm)
• Terminal Type: Solid
• Overall Height: ISO
• Gap:. 031" (0.8mm)

Center Electrode

• Material: Nickel
• Type: V-Cut
• Size: 2.5mm
• Projection: Non-Projected

Ground Electrode

• Material: Nickel
• Type: Standard
• Quantity: 1

Specifications

• Torque Specs: Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.
• Brand: NGK
• Heat Range: 7