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NGK 5422 Spark Plug
| Brand | NGK 5422 |
|---|---|
| Center Electrode Core Material | Copper |
| Center Electrode Tip Material | Nickel |
| Electrical Terminal Type | Removable Nut |
| Ground Configuration | Standard |
| Ground Electrode Core Material | Nickel |
| Ground Electrode Quantity | 1 |
| Ground Electrode Tip Design | Standard |
| Hex Size | 13/16 |
| Insulator Height | 55.00 |
| Manufacturer Heat Range | 8 |
| Part Number | BR8ES |
| Pre-Gap Size | .032 |
| Reach | .75 |
| Resistance | 5000 |
| Seat Type | Flat |
| Stock Number | 5422 |
| Thread Diameter | 14.00 |
| Product line | Standard Spark Plug |
| Fits | Husqvarna, Benelli, Moto Guzzi, Aprilia, Vespa, KTM, Yamaha, Gas Gas, Kawasaki, ATK, Triumph, Arctic Cat, Beta, Honda, Suzuki, Renault, Maico, Scorpion, Can-Am, Bultaco, Harley Davidson, Moto-Ski, Lamborghini, Ski-Doo, Sno-Jet, Porsche, and BMW · 4 vehicles |
OE supplier heritage. Built by NGK, a long-time original equipment spark plug manufacturer.
Copper core design. Helps promote reliable ignition performance and consistent operation.
Standard spark plug. A direct-fit replacement for many ignition applications.
Cross-references AMS Automotive 4033, AP Exhaust 7530 and Carlson 7707 for the same application. See all 45.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
NGK BR8ES Standard Spark Plug
NGK BR8ES 5422 is a standard spark plug built for consistent ignition performance in classic Porsche applications. It uses a copper center electrode with a nickel tip, a nickel ground electrode, and a 5,000 ohm resistor to support stable spark delivery and reduced electrical interference.
Compatible with 1968 Porsche 911 and 1970-1971 Porsche 911, this NGK Standard Spark Plug line reflects NGK’s OE-focused approach for domestic and import vehicles. The BR8ES part number is also commonly referenced as 5422 in catalog listings.
Key Features
- NGK Standard Spark Plug, part number BR8ES / 5422
- Copper center electrode core for dependable conductivity
- Nickel center and ground electrode tip materials
- 5,000 ohm resistor for ignition system noise suppression
- Standard ground electrode design with one ground electrode
- Flat seat design, 14.00 mm thread diameter, .75 reach
- Pre-gapped to .032 for straightforward setup
- 13/16 hex size with removable nut terminal
Product Details
The NGK Standard Spark Plug line is built around OE-style construction and broad vehicle coverage. For Porsche 911 applications, BR8ES 5422 provides a conventional spark plug design with a copper core for heat transfer and nickel electrode materials for reliable everyday ignition service. The flat seat and standard configuration make it a direct-style replacement for the listed 1968 and 1970-1971 Porsche 911 fitments.
This part cross-references Champion Spark Plug 880 for the same application.
What It Helps Address
- Hard starting caused by worn or fouled spark plugs
- Rough idle from weak or inconsistent spark output
- Misfire conditions related to degraded ignition performance
- Reduced throttle response from aged plugs
- Ignition noise concerns in resistor-equipped systems
Installation Notes
Verify the specified gap before installation and confirm the plug seat type, thread diameter, reach, and heat range match the engine requirements. For these Porsche 911 applications, follow the vehicle service specification for gap and torque, and inspect plug wires, caps, and ignition components at the same time to avoid repeat misfire issues.
Quality Assurance
NGK is a long-established OE supplier and spark plug manufacturer with extensive coverage across automotive, motorcycle, marine, and small engine applications. The BR8ES 5422 is produced to support original-equipment-level durability and operational performance standards.
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1971 | Porsche | 911 | — | 2.2L | H6 | N/A | Gap 0.024"; OE Equivalent Design; Standard Spark Plug |
| 1971 | Porsche | 911 | E | 2.2L | H6 | N/A | Gap 0.024"; OE Equivalent Design; Standard Spark Plug |
| 1970 | Porsche | 911 | E | 2.2L | H6 | N/A | Gap 0.024"; OE Equivalent Design; Standard Spark Plug |
| 1968 | Porsche | 911 | — | 2.0L | H6 | N/A | Gap 0.024"; OE Equivalent Design; Standard Spark Plug |
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