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NGK SILZKFR8E7S

SILZKFR8E7S NGK – Properties, Compatibility and Alternatives

The NGK SILZKFR8E7S represents a premium spark plug solution designed for modern automotive applications requiring superior ignition performance. This Spark plug NGK SILZKFR8E7S incorporates advanced electrode technology to deliver reliable combustion initiation across various operating conditions. The component serves as a critical element in the ignition system, ensuring optimal engine performance and fuel efficiency.

Advantages of the SILZKFR8E7S NGK

  • Enhanced ignition reliability through advanced electrode design that provides consistent spark generation under demanding conditions
  • Extended service life with Spark plug SILZKFR8E7S NGK technology that reduces electrode wear and maintains performance over time
  • Improved fuel economy through optimized combustion efficiency that maximizes energy extraction from the fuel mixture
  • Superior heat dissipation properties with NGK SILZKFR8E7S spark plug construction that prevents overheating and pre-ignition issues
  • Reduced emissions output through complete fuel combustion that minimizes unburned hydrocarbons
  • Enhanced cold-start performance that ensures reliable engine starting in low-temperature conditions

Technical Data

Feature Value
Manufacturer NGK
Model NGK SILZKFR8E7S
Type Iridium IX
Thread size M14 x 1.25
Thread length 19mm
Wrench size 16mm
Heat range 8
Electrode gap 0.7mm
Resistance 5kΩ
Application High-performance gasoline engines

Compatibility and Areas of Application

This spark plug demonstrates exceptional compatibility with high-performance gasoline engines, particularly those requiring precise ignition timing and consistent combustion characteristics. The SILZKFR8E7S NGK spark plug design makes it suitable for turbocharged and naturally aspirated engines operating under various load conditions.

  • High-performance sports vehicles requiring premium ignition components
  • Turbocharged engines with elevated compression ratios
  • Direct injection gasoline engines with precise fuel delivery systems
  • Racing applications demanding maximum reliability and performance

Suitable for the following vehicle models and equivalents

It is important to mention that alternative products can be found on AUTODOC. Currently, there are over 7000 items available in the spark plugs category.

Car maker Car Model
Subaru WRX STI, Forester XT
Mitsubishi Lancer Evolution
Mazda MX-5 Miata, RX-8
Honda Civic Type R, S2000

Application Notes and Important Questions

  • What is the recommended replacement interval for SILZKFR8E7S NGK components in high-performance applications? Typically 30,000 to 60,000 miles depending on driving conditions and engine specifications.
  • How does proper gap setting affect Spark plug NGK SILZKFR8E7S performance? Correct gap measurement ensures optimal spark strength and prevents misfiring or incomplete combustion.
  • Can this component be used in modified engines with increased boost pressure? Yes, the robust construction handles elevated cylinder pressures common in performance modifications.
  • What symptoms indicate replacement necessity? Engine misfiring, reduced fuel economy, difficult cold starts, or rough idle conditions typically signal replacement requirements.

Conclusion

The NGK SILZKFR8E7S delivers exceptional ignition performance for demanding automotive applications through its advanced electrode technology and robust construction. This component provides reliable operation across various engine configurations while maintaining consistent combustion characteristics. The NGK SILZKFR8E7S represents an excellent choice for enthusiasts seeking premium ignition system components that deliver both performance and longevity.

500 items
NGK 90654 Spark plug M12 x 1,25, Spanner Size: 14 mm
Article number: 90654 Trade numbers: SILZKFR8E7S
Reviews - 9
  • Spark Plug: Ring type connector (cup-shaped), Iridium Middle Electrode, 1 - Earthed Electrode, Interference Suppression 1 kOhm, with gasket seat
  • Spanner Size: 14 mm
  • Thread Length [mm]: 26,5
  • Spark Position [mm]: 5,5
  • Thread Size: M12 x 1,25
  • Item number: 90654
  • Manufacturer: NGK
  • EAN number: 0087295906545
  • Condition: New
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In stock
-15%
compared to RRP £13.82

£11.99
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NGK 3228 Spark plug M10 x 1,0, Spanner Size: 16 mm
Article number: 3228
Submit a review
  • Spark Plug: Connector Type M4, Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with gasket seat
  • Spanner Size: 16 mm
  • Thread Length [mm]: 12,7
  • Spark Position [mm]: 1,65
  • Thread Size: M10 x 1,0
  • Item number: 3228
  • Manufacturer: NGK
  • EAN number: 0087295132289
  • Condition: New
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In stock
-66%
compared to RRP £4.69

£1.59
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NGK 6221 Spark plug M14 x 1,25, Spanner Size: 16 mm
Article number: 6221
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  • Spark Plug: Unscrewable SAE connector, Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with taper gasket seat
  • Spanner Size: 16 mm
  • Thread Length [mm]: 7,8
  • Spark Position [mm]: 1,0
  • Thread Size: M14 x 1,25
  • Item number: 6221
  • Manufacturer: NGK
  • EAN number: 0087295162217
  • Condition: New
Details
In stock
-71%
compared to RRP £4.79

£1.59
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NGK 2911 Spark plug M14 x 1,25, Spanner Size: 20,8 mm
Article number: 2911
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  • 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]: 9,5
  • Spark Position [mm]: 3,5
  • Thread Size: M14 x 1,25
  • Item number: 2911
  • Manufacturer: NGK
  • EAN number: 0087295129111
  • Condition: New
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In stock
-71%
compared to RRP £5.65

£1.99
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NGK 7311 Spark plug M14 x 1,25, Spanner Size: 20,8 mm
Article number: 7311
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  • 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
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£1.99
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NGK 2924 Spark plug M14 x 1,25, Spanner Size: 16 mm
Article number: 2924
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  • Spark Plug: Nickel Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, with taper gasket seat, Fixed SAE connector
  • Spanner Size: 16 mm
  • Thread Length [mm]: 11,2
  • Spark Position [mm]: 3,0
  • Thread Size: M14 x 1,25
  • Item number: 2924
  • Manufacturer: NGK
  • EAN number: 0087295129241
  • Condition: New
Details
In stock
-70%
compared to RRP £5.88

£1.99
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NGK 4028 Spark plug M14 x 1,25, Spanner Size: 20,8 mm
Article number: 4028
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  • 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
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£1.99
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NGK 5950 Spark plug M14 x 1,25, Spanner Size: 16 mm
Article number: 5950
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  • 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
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In stock
-70%
compared to RRP £6.12

£1.99
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NGK 2642 Spark plug M14 x 1,25, Spanner Size: 20,8 mm
Article number: 2642
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  • 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
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£1.99
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  • 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]: 1,0
  • Thread Size: M14 x 1,25
  • Item number: 3722
  • Manufacturer: NGK
  • EAN number: 0087295137222
  • Condition: New
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In stock
-72%
compared to RRP £7.12

£1.99
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NGK 6429 Spark plug M14 x 1,25, Spanner Size: 20,8 mm
Article number: 6429
Submit a review
  • 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
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In stock
-71%
compared to RRP £7.52

£2.29
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NGK 7023 Spark plug M10 x 1,0, Spanner Size: 16 mm
Article number: 7023
Submit a review
  • 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
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In stock
-71%
compared to RRP £7.55

£2.29
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NGK 3725 Spark plug M14 x 1,25, Spanner Size: 20,8 mm
Article number: 3725
Submit a review
  • 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
Details
In stock
-65%
compared to RRP £6.21

£2.29
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NGK 1097 Spark plug M14 x 1,25, Spanner Size: 20,8 mm
Article number: 1097
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  • 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
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In stock
-70%
compared to RRP £6.87

£2.29
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NGK 7926 Spark plug M14 x 1,25, Spanner Size: 20,8 mm
Article number: 7926
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  • 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
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In stock
-71%
compared to RRP £7.39

£2.29
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NGK 6028 Spark plug M14 x 1,25, Spanner Size: 19 mm
Article number: 6028
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  • Spark Plug: Unscrewable SAE connector, Nickel Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, with gasket seat
  • Spanner Size: 19 mm
  • Thread Length [mm]: 9,5
  • Spark Position [mm]: 3,0
  • Thread Size: M14 x 1,25
  • Item number: 6028
  • Manufacturer: NGK
  • EAN number: 0087295160282
  • Condition: New
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In stock
-71%
compared to RRP £7.13

£2.29
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NGK 1270 Spark plug M14 x 1,25, Spanner Size: 16 mm
Article number: 1270
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  • 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
Details
In stock
-71%
compared to RRP £6.98

£2.29
Price per item

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  • 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
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In stock
-19%
compared to RRP £3.50

£2.99
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  • 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
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In stock
£2.99
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  • 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
Show OEM numbers of the product
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In stock
£2.99
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