Performance Overview

NGK G-Power Platinum spark plugs are the best single platinum spark plugs at an economical price. G-Power plugs feature a fine wire platinum center electrode and a trapezoidal cut ground electrode that offers increased durability, improved fuel efficiency, lower emissions, faster starts and quicker acceleration over conventional nickel spark plugs. An excellent upgrade for vehicles which used nickel alloy spark plugs originally. For better performance consider upgrading to a NGK Iridium IX plug. For even greater performance consider upgrading to a NGK RUTHENIUM HX plug.

Specifications

• Stock Number: 2815
• Part Number: TR4GP
• Resistance: 5000
• Ground Electrode Tip Design: Trapezoid
• Ground Configuration: Standard
• Ground Electrode Core Material: Nickel
• Electrical Terminal Type: Non-Removable Nut
• Center Electrode Core Material: Copper
• Center Electrode Tip Material: Platinum
• Gap Size: .040
• Ground Electrode Quantity: 1
• Hex Size: 5/8
• Insulator Height: 53.00
• Manufacturer Heat Range: 4
• Seat Type: Tapered
• Reach: .708
• Thread Diameter: 14.00

Notes

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

Key Features

• Single Platinum Tip: Fine wire 0.6 millimeter platinum tip center electrode ensures improved durability and a consistently stable spark
• Platinum Alloy: G-Power platinum provides exceptional value with increased performance and longer service intervals than factory nickel plugs
• Trapezodial Cut Ground Electrode: Reduces quenching design produces improved ignitability and 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
• Recommended Usage: Lower cost alternative to double precious metal spark plugs or as an upgrade to OE nickel alloy spark plugs

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 2815.

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

• G-Power Spark Plug Box of 4 for Buick Century Custom
• 2815 fitment
• NGK G-Power Spark Plug Box of 4
• 1987 Buick Century Custom G-Power Spark Plug Box of 4