Nissan Skyline R32 R33 R34 GTR Spark Plug RB26DETT (NGK Range 5)

The Nissan Skyline R32, R33, and R34 GTR equipped with the legendary RB26DETT engine requires precise spark plug selection to maintain performance and reliability under boost. Turbocharged engines naturally generate higher combustion pressures and temperatures, making the correct heat range crucial for both protection and efficiency. The NGK range 5 spark plug is the factory-correct choice for stock or lightly modified RB26 applications, offering the ideal balance of heat retention and dissipation. This ensures smooth daily drivability while reducing the risk of fouling during normal use.

In near-stock setups, a range 5 plug keeps the firing tip hot enough for clean combustion, yet still provides a safeguard against detonation when moderate boost is applied. However, as boost levels or modifications increase, moving to colder plugs becomes necessary to manage the additional heat. While range 6 plugs suit higher-output builds, range 5 remains the correct OEM specification for Skyline GTR models in standard trim, making it the right choice for enthusiasts seeking original performance.

Using the wrong spark plug in a turbocharged motor can have serious consequences. A plug that runs too hot risks pre-ignition and engine damage, while one that is too cold may lead to fouling and misfires. Choosing the proper NGK range 5 plug ensures the RB26DETT operates at its best, protecting engine longevity and delivering reliable performance.

At Terra Firma Automotive, we provide authentic Nissan Skyline GTR spark plugs, giving owners confidence in both quality and fitment for their R32, R33, or R34.

• Sold as each, 6 required.