NGK 4897 Racing Spark Plug
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NGK Racing spark plugs are designed with extreme use in mind and meant to withstand the most grueling racing conditions. NGK Spark Plugs have been powering racing champions and can be found in every racing venue throughout the world. The center electrode of the NGK Racing spark plugs has special configurations and designs to ensure durability and ignitability. NGK Racing plugs bring ultra high performance in a variety of heat ranges. Special configurations are used for a wide variety of racing applications.
- DESIGNED FOR RACING: Fine wire center electrode provides consistent performance
- TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
- 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
- RECOMMENDED USAGE: Racing use only, featuring special configurations and designs to ensure durability and ignitability
Specifications
| Metallurgy | Single Iridium |
| Stock Number | 4897 |
| Service Number | R7435-10 |
| Part Number | R7435-10 |
| Short Style Spark Plug | No |
| Resistor Value | 5000.0 82 |
| Tip Configuration | Taper Cut |
| Ground Configuration | J-Gap |
| Thread Type Standard | Metric |
| Ground Electrode Core Material | Nickel |
| Grade Type | Performance |
| Electrical Terminal Type | Non-Removable Nut |
| Center Electrode Core Material | Copper |
| Center Electrode Material | Iridium |
| Pre-Gap Size | .028 IN |
| Ground Electrode Quantity | 1 |
| Hex Size | 5/8" (16mm) |
| Insulator Height | 2.09 IN |
| Manufacturer Heat Range | 10 |
| Seat Type | Flat |
| Reach | 0.750 IN |
| Insulator Material | Ceramic |
| Skirt Length | 0.0 IN |
| Thread Size | M14 - 1.25 |
| Ground Electrode Material | Nickel |
| Skirt | No |
| Center Electrode Insulator Tip Projection | 0.12 IN |
| Electrode Style | Fine Wire |
| Washer Type | Crush |
| Center Electrode Projection | Mid Projection |
| Country of Origin | Japan |
Warranty: 2 Months
Shipping Information
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Shipping: Free to the USA.
Orders are processed during normal business days. Delivery dates may vary by carrier and destination.
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