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NGK SILZNAR8C7H
SILZNAR8C7H NGK – Properties, Compatibility and Alternatives
The NGK SILZNAR8C7H represents a premium ignition component designed for high-performance automotive applications. This Spark plug NGK SILZNAR8C7H incorporates advanced electrode technology to deliver reliable spark generation under demanding operating conditions. Modern vehicles require precise ignition timing and consistent spark delivery to maintain optimal engine performance and fuel efficiency.
Advantages of the SILZNAR8C7H NGK
- Enhanced durability through iridium electrode construction, providing extended service life compared to conventional copper alternatives
- Superior heat dissipation properties ensure consistent performance across varying engine temperatures and operating conditions
- Optimized electrode gap design delivers improved combustion efficiency and reduced emissions output
- Advanced Spark plug SILZNAR8C7H NGK technology minimizes electrode wear and maintains stable ignition characteristics
- Precision-engineered thread specifications ensure proper fitment and reliable electrical connection in compatible NGK SILZNAR8C7H spark plug applications
- Corrosion-resistant materials protect against contamination and extend operational lifespan in harsh environments
Technical Data
| Feature | Value |
|---|---|
| Manufacturer | NGK |
| Model | NGK SILZNAR8C7H |
| Type | Iridium IX |
| Thread size | M14 x 1.25 |
| Thread length | 19mm |
| Wrench size | 16mm |
| Heat range | 8 |
| Electrode gap | 0.6mm |
| Resistance | 5kΩ |
| Application | High-performance engines |
Compatibility and Areas of Application
This ignition component serves primarily in high-performance automotive applications where precise spark timing proves critical. The SILZNAR8C7H NGK spark plug design accommodates engines operating under elevated compression ratios and demanding thermal conditions. Applications include:
- Turbocharged and supercharged engine configurations
- High-compression naturally aspirated engines
- Performance-oriented vehicle modifications
- Racing and motorsport applications
Suitable for the following vehicle models and equivalents
Alternative products can be found on AUTODOC, where over 7000 items are currently available in the spark plugs category.
| Car maker | Car Model |
|---|---|
| Subaru | WRX STI, Legacy GT |
| Mitsubishi | Lancer Evolution |
| Nissan | GT-R, 370Z |
| Honda | Civic Type R, S2000 |
Application Notes and Important Questions
- What torque specification should be applied during installation? Follow manufacturer recommendations, typically 25-30 Nm for M14 threads to prevent damage
- How does the SILZNAR8C7H NGK heat range affect engine performance? The heat range 8 designation indicates suitability for high-temperature applications
- Can this Spark plug NGK SILZNAR8C7H replace lower-grade alternatives? Yes, but verify compatibility with engine management systems and compression ratios
- What maintenance intervals apply? Typically 30,000-60,000 miles depending on operating conditions and fuel quality
Conclusion
The NGK SILZNAR8C7H delivers exceptional ignition performance for demanding automotive applications through advanced iridium electrode technology. This component provides reliable spark generation and extended service life in high-performance engine configurations. The NGK SILZNAR8C7H represents a premium solution for enthusiasts seeking optimal ignition system performance.
- Spark Plug: Iridium Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, with taper gasket seat, Fixed SAE connector
- Spanner Size: 14 mm
- Thread Length [mm]: 25,0
- Spark Position [mm]: 5,0
- Thread Size: M12 x 1,25
- Item number: 93593
- Manufacturer: NGK
- EAN number: 0087295935934
- Condition: New
price incl. 20% VAT
excl. delivery costs
- Product line: V-Line
- Spark Plug: Nickel Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, with gasket seat, Fixed SAE connector
- Spanner Size: 20,8 mm
- Thread Length [mm]: 19,0
- Spark Position [mm]: 4,0
- Thread Size: M14 x 1,25
- Item number: 3577
- Manufacturer: NGK
- EAN number: 0087295135778
- Condition: New
- Spark Plug: Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with gasket seat, Fixed SAE connector
- Spanner Size: 20,8 mm
- Thread Length [mm]: 19,0
- Spark Position [mm]: 3,0
- Thread Size: M14 x 1,25
- Item number: 7311
- Manufacturer: NGK
- EAN number: 0087295173114
- Condition: New
- Spark Plug: Connector Type SAE, Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with gasket seat
- Spanner Size: 20,8 mm
- Thread Length [mm]: 19,0
- Spark Position [mm]: 4,0
- Thread Size: M14 x 1,25
- Item number: 4028
- Manufacturer: NGK
- EAN number: 0087295140284
- Condition: New
- Spark Plug: Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with taper gasket seat, Fixed SAE connector
- Spanner Size: 16 mm
- Thread Length [mm]: 7,8
- Spark Position [mm]: 3,0
- Thread Size: M14 x 1,25
- Item number: 5950
- Manufacturer: NGK
- EAN number: 0087295159507
- Condition: New
price incl. 20% VAT
excl. delivery costs
- Spark Plug: Nickel Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, with gasket seat, Fixed SAE connector
- Spanner Size: 20,8 mm
- Thread Length [mm]: 19,0
- Spark Position [mm]: 3,0
- Thread Size: M14 x 1,25
- Item number: 2642
- Manufacturer: NGK
- EAN number: 0087295126424
- Condition: New
- Spark Plug: Connector Type M4, Nickel Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, with gasket seat
- Spanner Size: 16 mm
- Thread Length [mm]: 12,7
- Spark Position [mm]: 1,5
- Thread Size: M10 x 1,0
- Item number: 7023
- Manufacturer: NGK
- EAN number: 0087295170236
- Condition: New
price incl. 20% VAT
excl. delivery costs
- Spark Plug: Unscrewable SAE connector, Nickel Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, with gasket seat
- Spanner Size: 20,8 mm
- Thread Length [mm]: 12,7
- Spark Position [mm]: 3,5
- Thread Size: M14 x 1,25
- Item number: 3725
- Manufacturer: NGK
- EAN number: 087295137253
- Condition: New
price incl. 20% VAT
excl. delivery costs
- Spark Plug: Nickel Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, with gasket seat, Fixed SAE connector
- Spanner Size: 20,8 mm
- Thread Length [mm]: 19,0
- Spark Position [mm]: 9,5
- Thread Size: M14 x 1,25
- Item number: 6429
- Manufacturer: NGK
- EAN number: 0087295164297
- Condition: New
price incl. 20% VAT
excl. delivery costs
- Spark Plug: Unscrewable SAE connector, Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with gasket seat
- Spanner Size: 20,8 mm
- Thread Length [mm]: 12,7
- Spark Position [mm]: 4,5
- Thread Size: M14 x 1,25
- Item number: 7926
- Manufacturer: NGK
- EAN number: 0087295179260
- Condition: New
price incl. 20% VAT
excl. delivery costs
- Spark Plug: Unscrewable SAE connector, Nickel Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, with taper gasket seat
- Spanner Size: 16 mm
- Thread Length [mm]: 7,8
- Spark Position [mm]: 3,0
- Thread Size: M14 x 1,25
- Item number: 1270
- Manufacturer: NGK
- EAN number: 0087295112700
- Condition: New
- Spark Plug: with gasket seat, Unscrewable SAE connector, Nickel Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm
- Spanner Size: 20,8 mm
- Thread Length [mm]: 19,0
- Spark Position [mm]: 1,0
- Thread Size: M14 x 1,25
- Item number: 1097
- Manufacturer: NGK
- EAN number: 0087295110973
- Condition: New
- Spark Plug: Nickel Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, with gasket seat, Fixed SAE connector
- Spanner Size: 20,8 mm
- Thread Length [mm]: 19,0
- Spark Position [mm]: 3,0
- Thread Size: M14 x 1,25
- Item number: 5638
- Manufacturer: NGK
- EAN number: 0087295156384
- Condition: New
- Spark Plug: Connector Type M4, Nickel Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, with gasket seat
- Spanner Size: 20,8 mm
- Thread Length [mm]: 12,7
- Spark Position [mm]: 3,5
- Thread Size: M14 x 1,25
- Item number: 4632
- Manufacturer: NGK
- EAN number: 0087295146323
- Condition: New
price incl. 20% VAT
excl. delivery costs
- Product line: V-Line
- Spark Plug: Unscrewable SAE connector, Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with gasket seat
- Spanner Size: 20,8 mm
- Thread Length [mm]: 19,0
- Spark Position [mm]: 3,0
- Thread Size: M14 x 1,25
- Item number: 5637
- Manufacturer: NGK
- EAN number: 0087295156377
- Condition: New
- Spark Plug: Unscrewable SAE connector, Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with gasket seat
- Spanner Size: 20,8 mm
- Thread Length [mm]: 19,0
- Spark Position [mm]: 3,0
- Thread Size: M14 x 1,25
- Item number: 7811
- Manufacturer: NGK
- EAN number: 0087295178119
- Condition: New
- Spark Plug: Unscrewable SAE connector, Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with gasket seat
- Spanner Size: 20,8 mm
- Thread Length [mm]: 12,7
- Spark Position [mm]: 3,5
- Thread Size: M14 x 1,25
- Item number: 4511
- Manufacturer: NGK
- EAN number: 0087295145111
- Condition: New
price incl. 20% VAT
excl. delivery costs
- Spark Plug: Unscrewable SAE connector, Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with gasket seat
- Spanner Size: 20,8 mm
- Supplementary Info: BLISTER
- Thread Length [mm]: 12,7
- Spark Position [mm]: 3,5
- Thread Size: M14 x 1,25
- Item number: 92010
- Manufacturer: NGK
- EAN number: 0087295820100
- Condition: New
- Spark Plug: Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with gasket seat, Fixed SAE connector
- Spanner Size: 20,8 mm
- Thread Length [mm]: 19,0
- Spark Position [mm]: 3,0
- Thread Size: M14 x 1,25
- Item number: 7529
- Manufacturer: NGK
- EAN number: 0087295175293
- Condition: New
price incl. 20% VAT
excl. delivery costs
- Spark Plug: Unscrewable SAE connector, Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with gasket seat
- Spanner Size: 20,8 mm
- Supplementary Info: BLISTER
- Thread Length [mm]: 19,0
- Spark Position [mm]: 3,0
- Thread Size: M14 x 1,25
- Item number: 91406
- Manufacturer: NGK
- EAN number: 0087295814062
- Condition: New
price incl. 20% VAT
excl. delivery costs
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