NGK 3913 Racing Spark Plug
Product Availability Request
Fill the form and our team will contact you.
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: Conventional nickel alloy center electrode with V-groove 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
| Stock Number | 3913 |
| Service Number | R5670-9 |
| Part Number | R5670-9 |
| Short Style Spark Plug | No |
| Metallurgy | Copper |
| Dimension | 0.0 82 |
| Tip Configuration | Standard |
| Gap Style | J-Gap |
| Thread Standard | Metric |
| Ground Electrode Core Material | Nickel |
| Grade Type | Performance |
| Terminal Type | Non-Removable Nut |
| Center Electrode Core Material | Copper |
| Center Electrode Material | Nickel |
| Spark Plug Gap | .032 IN |
| Ground Electrode Quantity | 1 |
| Hex Size | 13/16" |
| Length | 2.24 IN |
| Heat Range | 9 |
| Seat Type | Flat |
| Reach | 0.375 IN |
| Material | Ceramic |
| Thread Size | M14 - 1.25 |
| Ground Electrode Material | Nickel |
| Resistor | No |
| Insulator Nose Projection | 0.12 IN |
| Electrode Style | Standard |
| Projection | Mid Projection |
| Country of Origin | Japan |
Warranty: 2 Months
Please check the product description for the manufacturer’s application details, or ask a specialist — we’ll confirm whether it fits your vehicle before you buy.
Shipping Information
Free shipping is available for eligible orders.
Shipping: Free to the USA.
Orders are processed during normal business days. Delivery dates may vary by carrier and destination.
Owner Reviews
Questions & Answers
Our techs answer fitment questions, usually within 2 hours. Owners chime in too.
No questions yet. Here's what shoppers usually ask. Tap one and our techs will answer.
Ask a Question
Write a review
Share your experience with this part. Reviews are checked before they go live.
Guaranteed
Shipping
Returns
Support
Frequently Paired With
