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NGK LTR71X-11

LTR71X-11 NGK – Properties, Compatibility and Alternatives

The NGK LTR71X-11 represents a premium ignition component engineered for high-performance automotive applications. This Spark plug NGK LTR71X-11 delivers exceptional combustion efficiency and reliability in demanding engine environments. Designed with advanced materials and precision engineering, this spark plug ensures optimal ignition timing and consistent performance across various operating conditions.

Advantages of the LTR71X-11 NGK

  • Superior electrode durability with platinum-tipped construction providing extended service life
  • Enhanced ignition performance through optimized Spark plug LTR71X-11 NGK design for improved fuel combustion
  • Reduced emissions and improved fuel economy due to efficient NGK LTR71X-11 spark plug characteristics
  • Excellent resistance to carbon fouling and pre-ignition in high-compression engines
  • Consistent spark energy delivery across wide temperature ranges
  • Precision-manufactured electrodes ensuring reliable cold-start performance

Technical Data

Feature Value
Manufacturer NGK
Model NGK LTR71X-11
Type Platinum
Thread size M14 x 1.25
Thread length 19mm
Wrench size 16mm
Heat range 7
Electrode gap 1.1mm
Resistance 5kΩ
Application High-performance engines

Compatibility and Areas of Application

This spark plug is specifically engineered for high-performance and racing applications where maximum reliability is essential. The LTR71X-11 NGK spark plug excels in turbocharged and naturally aspirated engines operating under extreme conditions. Primary applications include:

  • High-performance sports cars and racing vehicles
  • Modified engines with increased compression ratios
  • Turbocharged and supercharged applications
  • Marine and motorcycle high-performance engines

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
Honda Civic Type R, S2000
Mazda RX-7, RX-8
Subaru WRX STI, BRZ
Mitsubishi Lancer Evolution

Application Notes and Important Questions

  • What makes the LTR71X-11 NGK suitable for high-performance applications? The platinum electrode construction and precise heat range ensure consistent ignition under extreme operating conditions.
  • How does the electrode gap affect performance? The 1.1mm gap provides optimal spark energy while maintaining electrode longevity in demanding Spark plug NGK LTR71X-11 applications.
  • Why is proper torque specification critical during installation? Correct torque ensures proper heat transfer and prevents thread damage in aluminum cylinder heads.
  • What maintenance intervals are recommended? Replace every 30,000-40,000 miles or according to manufacturer specifications for optimal performance.

Conclusion

The NGK LTR71X-11 stands as a premium choice for high-performance ignition systems requiring exceptional reliability and consistent spark delivery. This NGK LTR71X-11 combines advanced platinum electrode technology with precision engineering to meet the demanding requirements of modified and racing engines. Its proven design ensures optimal combustion efficiency and extended service life in the most challenging automotive applications.

500 items
  • Spark Plug: Unscrewable SAE connector, Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with gasket seat
  • Spanner Size: 20,8 mm
  • Supplementary Info: Quick
  • Thread Length [mm]: 9,5
  • Spark Position [mm]: 1,0
  • Thread Size: M14 x 1,25
  • Item number: 1228
  • Manufacturer: NGK
  • EAN number: 087295012284
  • Condition: New
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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]: 1,0
  • Thread Size: M14 x 1,25
  • Item number: 3410
  • Manufacturer: NGK
  • EAN number: 0087295134108
  • Condition: New
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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]: 12,7
  • Spark Position [mm]: 3,5
  • Thread Size: M14 x 1,25
  • Item number: 3975
  • Manufacturer: NGK
  • EAN number: 0087295139752
  • Condition: New
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NGK 1147 Spark plug M14 x 1,25, Spanner Size: 20,8 mm
Article number: 1147
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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]: 1,0
  • Thread Size: M14 x 1,25
  • Item number: 1147
  • Manufacturer: NGK
  • EAN number: 0087295111475
  • Condition: New
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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]: 3,5
  • Thread Size: M14 x 1,25
  • Item number: 5111
  • Manufacturer: NGK
  • EAN number: 0087295151112
  • Condition: New
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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: 6511
  • Manufacturer: NGK
  • EAN number: 0087295165119
  • Condition: New
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  • Spark Plug: Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with gasket seat, Fixed SAE connector
  • Spanner Size: 16 mm
  • Thread Length [mm]: 19,0
  • Spark Position [mm]: 3,0
  • Thread Size: M14 x 1,25
  • Item number: 7496
  • Manufacturer: NGK
  • EAN number: 0087295174968
  • Condition: New
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£3.59
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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]: 17,5
  • Spark Position [mm]: 3,0
  • Thread Size: M14 x 1,25
  • Item number: 3812
  • Manufacturer: NGK
  • EAN number: 0087295138120
  • Condition: New
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-6%
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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]: 3,5
  • Thread Size: M14 x 1,25
  • Item number: 4111
  • Manufacturer: NGK
  • EAN number: 0087295141113
  • Condition: New
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-21%
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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: 2412
  • Manufacturer: NGK
  • EAN number: 0087295124123
  • Condition: New
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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]: 1,0
  • Thread Size: M14 x 1,25
  • Item number: 1111
  • Manufacturer: NGK
  • EAN number: 0087295111116
  • Condition: New
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  • Spark Plug: Nickel Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, with gasket seat, Fixed SAE connector
  • Spanner Size: 16 mm
  • Thread Length [mm]: 19,0
  • Spark Position [mm]: 3,0
  • Thread Size: M14 x 1,25
  • Item number: 2382
  • Manufacturer: NGK
  • EAN number: 0087295123829
  • Condition: New
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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]: 1,0
  • Thread Size: M14 x 1,25
  • Item number: 6410
  • Manufacturer: NGK
  • EAN number: 0087295164105
  • Condition: New
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-19%
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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
  • Supplementary Info: Quick
  • Thread Length [mm]: 19,0
  • Spark Position [mm]: 3,0
  • Thread Size: M14 x 1,25
  • Item number: 3355
  • Manufacturer: NGK
  • EAN number: 0087295033555
  • Condition: New
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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: 16 mm
  • Thread Length [mm]: 19,0
  • Spark Position [mm]: 3,0
  • Thread Size: M14 x 1,25
  • Item number: 6237
  • Manufacturer: NGK
  • EAN number: 0087295162378
  • Condition: New
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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
  • Supplementary Info: BLISTER
  • Thread Length [mm]: 19,0
  • Spark Position [mm]: 3,0
  • Thread Size: M14 x 1,25
  • Item number: 96404
  • Manufacturer: NGK
  • EAN number: 0087295864043
  • Condition: New
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NGK 5921 Spark plug M14 x 1,25, Spanner Size: 19 mm
Article number: 5921
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  • Spark Plug: Unscrewable SAE connector, Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with gasket seat
  • Spanner Size: 19 mm
  • Thread Length [mm]: 9,5
  • Spark Position [mm]: 1,0
  • Thread Size: M14 x 1,25
  • Item number: 5921
  • Manufacturer: NGK
  • EAN number: 0087295159217
  • Condition: New
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In stock
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  • Spark Plug: Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with gasket seat, Fixed SAE connector
  • Spanner Size: 16 mm
  • Thread Length [mm]: 19,0
  • Spark Position [mm]: 3,0
  • Thread Size: M14 x 1,25
  • Item number: 5860
  • Manufacturer: NGK
  • EAN number: 0087295158609
  • Condition: New
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-25%
compared to RRP £4.81

£3.59
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  • Product line: Quick
  • Spark Plug: Unscrewable SAE connector, Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with gasket seat
  • Spanner Size: 19 mm
  • Thread Length [mm]: 9,5
  • Spark Position [mm]: 1,0
  • Thread Size: M14 x 1,25
  • Item number: 2680
  • Manufacturer: NGK
  • EAN number: 0087295026809
  • Condition: New
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  • Spark Plug: Connector Type M4, Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with gasket seat
  • Spanner Size: 18 mm
  • Thread Length [mm]: 19,0
  • Spark Position [mm]: 3,0
  • Thread Size: M12 x 1,25
  • Item number: 5629
  • Manufacturer: NGK
  • EAN number: 0087295156292
  • Condition: New
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