The HKS Actuator Upgrade for the RB26DETT GTIII turbine kit, part number 14030-AN002, is designed for enthusiasts who demand higher boost stability and improved turbocharger response. Supplied as a pair of actuators, this upgrade is engineered for RB26-powered Skyline GT-R models equipped with GTIII sports turbines, delivering consistent boost control at levels above 1.0kgf/cm² (98.1kPa). For drivers pursuing greater power, this actuator set provides the precision and durability required to maximize performance under demanding conditions.
HKS has developed these actuators with a larger diaphragm and reinforced spring design, ensuring sharper boost response and more stable performance at high RPM. By improving wastegate control, the system helps the turbo maintain efficiency even during aggressive driving or circuit use. Originally introduced as part of the GTIII-RS turbine kit from May 2017 onward, this actuator set has proven itself in real-world high-power RB26 builds, offering a more controlled and responsive driving experience.
Whether combined with a complete RB26 2.8L upgrade, V-CAM system, or other advanced HKS tuning components, the actuator plays a critical role in extracting maximum efficiency from the GTIII turbine. While installation may require slight modifications depending on vehicle setup, the benefits in stability and control are clear. For serious GT-R owners building engines to handle higher boost pressures, the HKS actuator upgrade ensures confidence, reliability, and the performance edge needed to compete at the highest levels. Terra Firma Automotive proudly offers this essential HKS upgrade for RB26DETT-powered Skylines.
- Turbos Shown Not Included Shown For Example
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