Nissan Skyline R32 R33 R34 GTR Spark Plug RB26DETT (NGK Range 7)

The Nissan Skyline R32, R33, and R34 GTR with the RB26DETT engine demands precision when it comes to spark plug selection, especially in high-performance builds. Turbocharged engines generate extreme combustion pressures and temperatures, which means the correct heat range plug is essential to maintain reliability and prevent engine damage. The NGK range 7 spark plug is designed specifically for heavily modified or high-boost RB26 applications where maximum heat dissipation is required.

Unlike range 5 plugs suited to stock setups or range 6 for moderately tuned engines, range 7 provides the colder heat characteristics necessary to manage the intense thermal loads of aggressive boost levels and racing conditions. This colder plug helps transfer heat away from the firing tip more effectively, reducing the risk of pre-ignition, detonation, and catastrophic engine failure during hard acceleration or extended high-load operation.

Choosing too hot a plug in a turbocharged engine risks engine-damaging pre-ignition, while plugs that are too cold can cause fouling and misfires. For this reason, matching the correct plug to the build and boost level of your RB26 is critical. For drivers pushing their Skyline GTR well beyond factory power levels, range 7 NGK plugs deliver the protection and consistent performance needed under extreme conditions.

At Terra Firma Automotive, we provide genuine Nissan Skyline GTR spark plugs, including the range 7 NGK specification. With exact fitment and uncompromising quality, enthusiasts can trust their RB26DETT to perform reliably even in the most demanding environments.

• Sold as each, 6 required.