NGK 3993 Spark Plug

Brand NGK 3993
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
Pre-Gap Size .024
Ground Electrode Quantity 1
Hex Size 13/16
Insulator Height 55.00
Manufacturer Heat Range 10
Seat Type Flat
Reach .75
Thread Diameter 14.00
Part Number Br10eg solid
Stock Number 3993
Fits —

Racing spark plug. Built for performance-focused ignition tuning.

Copper core. Promotes efficient heat transfer for stable operation.

Nickel electrodes. Provides durable spark delivery with a standard tip design.

Cross-references Global Parts Distributors LLC 3993 for the same application. See all 1.

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NGK BR10EG SOLID Racing Spark Plug

The NGK BR10EG SOLID racing spark plug is built for performance ignition systems that need a copper-core plug with a nickel center electrode tip and a standard ground electrode design. With a 0.024 pre-gap, 5,000 ohm resistance, and a flat seat, this NGK spark plug supports consistent spark delivery in demanding applications.

For drivers searching for an NGK BR10EG SOLID spark plug for Honda Civic or Acura Integra applications, this part number 3993 is a direct ignition-service option when the specified engine calls for this heat range and thread specification.

Key Features

  • NGK Racing Spark Plug line for performance-focused ignition service
  • Part number 3993, also identified as BR10EG SOLID
  • Copper center electrode core material for stable heat transfer
  • Nickel center electrode tip and nickel ground electrode core material
  • Standard ground electrode tip design with one ground electrode
  • 5,000 ohm resistance for ignition system control
  • 0.024 pre-gap size for specified applications
  • 14.00 mm thread diameter, 0.75 reach, and flat seat type
  • 13/16 hex size and non-removable nut terminal
  • Manufacturer heat range 10

Product Details

NGK Racing Spark Plug products are selected for engines that require precise ignition characteristics and a specific heat range. The BR10EG SOLID uses a copper core to help manage thermal transfer, while the nickel electrode materials and standard ground configuration support reliable spark delivery under performance conditions. If you are comparing NGK 3993 against other ignition parts for Honda Civic or Acura Integra service, verify the engine’s required plug dimensions, heat range, and terminal style before installation.

This part cross-references Global Parts Distributors LLC (e.g., 3993) for the same application.

What It Helps Address

  • Misfire caused by worn or heat-affected spark plugs
  • Hard starting from weak or inconsistent ignition output
  • Rough idle related to degraded plug electrodes
  • Loss of throttle response from incorrect plug heat range
  • Ignition performance issues in engines requiring NGK BR10EG SOLID specifications

Installation Notes

Confirm the engine calls for a 14.00 mm thread diameter, 0.75 reach, flat seat, and 13/16 hex before installation. Check the specified gap against the engine requirement, and inspect the ignition system, plug wires, and coil condition at the same time. For Honda Civic and Acura Integra applications, match the plug heat range and terminal type to the factory specification to avoid drivability issues.

Quality Assurance

NGK is a recognized ignition component manufacturer, and this spark plug is built to the listed specifications for controlled fitment and consistent electrical performance. Part number 3993 should be matched to the vehicle’s engine requirements and service data before use.

This part fits 0 vehicles
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YearMakeModelPositionNotes
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Global Parts Distributors LLC — 3993