Performance Overview

NGK V-Power spark plugs offer reliable performance and improved ignitability over standard nickel plugs. Engineered specifically for OE applications, the special V-cut nickel alloy center electrode and concave ground electrode of NGK's V-Power spark plug increases ignitability providing quicker starts and smoother idle. NGK's legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance. Trivalent metal plating ensures superior anti-corrosion and anti-seizing properties.

Specifications

• Part Number: BKR7E
• Stock Number: 4644
• Resistance: 5000
• Ground Electrode Tip Design: Standard
• Ground Configuration: Standard
• Ground Electrode Core Material: Nickel
• Electrical Terminal Type: Non-Removable Nut
• Center Electrode Core Material: Copper
• Center Electrode Tip Material: Nickel
• Gap Size: .036
• Ground Electrode Quantity: 1
• Hex Size: 5/8
• Insulator Height: 50.50
• Manufacturer Heat Range: 7
• Seat Type: Flat
• Reach: .75
• Thread Diameter: 14.00

Notes

• You may need to order more than one of this item for your car.

Key Features

• Actual OE or Equivalent Design: OEM quality construction nickel alloy center electrode with V-groove provides consistent performance
• Recommended Usage: Best for vehicles with OE nickel alloy plugs, not recommended on vehicles with factory precious metal plugs
• NGK's OE Ceramic Technology: High grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance
• Solid Copper Core: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
• Cold-Rolled Threads: Prevents cross-threading and damage to cylinder heads
• Trivalent Metal Plating: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal

Vehicle Fitment Table

FAQ

Will this fit my vehicle?
Please verify your year, make, model, position, and any fitment notes using the Vehicle Fitment Table above before purchase.

What part number is this?
The listed part number is 4644.

Is this product designed for direct replacement?
Yes. This product is intended to match the compatible vehicle applications listed in the fitment table.

Should I confirm fitment before ordering?
Yes. Always compare your original part, position, and vehicle details with the fitment table before ordering.

Common Searches

• Copper Spark Plug Box of 4 for Aston Martin DB7 Volante
• 4644 fitment
• NGK Copper Spark Plug Box of 4
• 1997 Aston Martin DB7 Volante Copper Spark Plug Box of 4