Every RB26DETT left the factory with twin turbos. When you upgrade, you can keep a twin layout or change to one larger turbo. Talk to your tuner about which suits your car.
The factory turbos
The standard RB26 turbos have ceramic turbine wheels, so plan a turbo upgrade before you raise boost.
Twin turbo upgrades
HKS GTIII-RS | HKS GTIII-2530 | HKS GTIII-SS | ARTEC x Spectrum SPORT 600 | Turbosmart IWG75 actuator
Single turbo builds
A single turbo build replaces both factory turbos with one larger turbo. Precision's Next Gen 6266 and 6466 have the same turbine wheel sizes. The 6466 has a larger compressor inducer.
| Precision Next Gen | 6266 | 6466 |
|---|---|---|
| Compressor wheel inducer | 62 mm | 64 mm |
| Compressor wheel exducer | 86 mm (88.1 mm extended tip) | 86 mm (88.1 mm extended tip) |
| Turbine wheel inducer | 74 mm | 74 mm |
| Turbine wheel exducer | 66 mm | 66 mm |
Precision Next Gen 6266 CEA | Precision Next Gen 6466 CEA | Artec x Garrett G30-770 | Turbosmart GenV HyperGate45 | All Skyline turbos | RB26DETT parts
Related guides
RB26 2.8 stroker vs 2.6 | RB26 cam upgrade guide | RB26 boost control guide
FAQ
Are the standard RB26 turbos ceramic?
Yes. The factory turbos have ceramic turbine wheels, so plan a turbo upgrade before you raise boost.
Is a twin or single turbo better on an RB26?
Neither suits every car. Your tuner can help you choose for your plans.
Which Precision turbos do you list?
Precision Next Gen turbos, such as the 6266 CEA and 6466 CEA.
What is the difference between the Precision Next Gen 6266 and 6466?
The 6466 has a 64 mm compressor inducer and the 6266 has 62 mm. Both use a 66 mm turbine exducer.