NGK 6664 Iridium IX Spark Plugs BR7EIX (4 Pack)

Stock Number: 6664 Material Grade: Iridium Part Number: BR7EIX Resistance (Ohms): 5000.0 Ground Electrode Tip Design: Taper Cut Ground Configuration: J-Gap Ground Electrode Core Material: Nickel Washer Included: Yes Grade Type: Performance Electrical Terminal Type: Removable Nut Center Electrode Core Material: Copper Center Electrode Tip Material: Iridium Pre-Gap Size (IN): .032 Pre-Gap Size (MM): 0.8 Ground Electrode Quantity: 1 Hex Size: 13/16" Insulator Height (IN): 2.20 Insulator Height (MM): 56.0 Manufacturer Heat Range: 7 Seat Type: Flat Reach (IN): 0.750 Reach (MM): 19.0 Thread Diameter (IN): 0.551 Thread Diameter (MM): 14.0 Insulator Material: Ceramic Resistor Type: Yes Ground Electrode Tip Material: Nickel Skirt: No Center Electrode Insulator Tip Projection (IN): 0.06 Center Electrode Insulator Tip Projection (MM): 1.5 Center Electrode Design: Fine Wire Washer Type: Crush Center Electrode Projection: Non-Projected

• This listing is for 4 BR7EIX 6664 NGK Iridium IX Spark Plugs. Fitment information is provided in the Product Description below—always verify the correct part number with your vehicle manufacturer, owner’s manual, or NGK directly before purchasing.
• Offering the quality, reliability and durability you would expect from an OEM manufacturer, NGK is known for being the world’s leading supplier of OEM spark plugs.
• NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional fouling prevention.
• Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines.
• Recommended usage: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs