NGK Iridium IX Spark Plugs

NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloys extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to a NGK RUTHENIUM HX™ plug.

Features

• Center Electrode core material: copper core
• Center Electrode Tip Material: Iridium
• Ground Conf‌iguration: Standard
• Ground Electrode Core Material: Nickel Core
• Ground Electrode Quantity: 1
• Ground Electrode Tip Design: Taper Cut
• Hex Size: 13/16 in
• Insulator Height: 53.00 mm
• Manufacturer Heat Range: 8
• Pre-Gap Size: .032 in
• Reach: .75 in
• Resistance: 5000 Ohms
• Seat Type: Flat
• Thread Diameter: 14.00 mm

Applications

• 1982-1985 Ferrari 512 BB
• 1982-1985 Lamborghini Countach
• 1982-1988 Lamborghini Jalpa
• 1976-1977 Lamborghini Silhouette
• 1974-1976 Lamborghini Urraco
• 1968-1971 Porsche 911
• 1982-1984 Renault Fuego
• 1973-1974 Renault R17

What's In The Box?

• (4) Spark Plugs

Warranty

• Manufacturer Standard Warranty