Upgrade your Nissan RB26DETT engine with the GSC Power Division Billet R1 Camshaft Set, a premium performance camshaft solution designed for serious enthusiasts, professional engine builders, and competitive racers seeking improved airflow, increased horsepower capability, and enhanced engine performance.

Developed specifically for the legendary RB26DETT platform, the GSC R1 camshaft profile delivers an aggressive performance upgrade designed to maximize cylinder filling, improve valve timing efficiency, and support high-output turbocharged applications. These camshafts are ideal for high-performance street builds, track vehicles, drag racing applications, and RB26 engines built to produce substantial power.

GSC Power Division camshafts are engineered using application-specific analysis that considers cylinder head airflow characteristics, valvetrain geometry, rocker arm movement, engine configuration, fuel type, and intended powerband. This approach allows the R1 profile to deliver optimized performance while maintaining the valvetrain stability required for demanding engine applications.

Manufactured from forged barstock with precision-ground lobe profiles, GSC billet camshafts provide exceptional durability, accurate valve timing, and consistent performance for high-performance Nissan RB26DETT engines.

Product Features

• Application: Nissan RB26DETT engine
• Part Number: GSC7041R1
• Camshaft Type: Billet R1 Performance Camshaft Set
• Reduced Base Circle: 30.5mm
• Designed to increase airflow and improve engine breathing
• Optimized for high-horsepower turbocharged RB26 builds
• Precision billet construction for strength and durability
• Increased lift and duration compared to factory camshafts
• Improves high-RPM performance and power production
• Designed for advanced street, track, and competition applications
• Ideal for engines with upgraded valvetrain components and professional tuning

Camshaft Specifications

Intake Camshaft

• Advertised Duration: 272°
• Duration @ 0.040": 238°
• Maximum Lift: 10.50mm
• Center Line: 110°

Exhaust Camshaft

• Advertised Duration: 276°
• Duration @ 0.040": 242°
• Maximum Lift: 10.55mm
• Center Line: 115°

Why Choose GSC R1 Camshafts for Your RB26DETT?

The Nissan RB26DETT is one of the most iconic performance engines ever produced, but achieving extreme horsepower levels requires components designed to improve airflow and optimize engine efficiency. The GSC R1 camshaft profile increases valve lift and duration to help the RB26 cylinder head move more air, improving combustion efficiency and supporting increased power output.

The R1 profile is designed for enthusiasts who have moved beyond basic bolt-on upgrades and require a camshaft capable of supporting larger turbochargers, increased boost levels, improved cylinder heads, upgraded intake and exhaust systems, and advanced engine management.

With a strong balance of aggressive valve timing and reliable operation, the GSC R1 camshaft set provides the performance foundation needed for high-power RB26 builds while maintaining excellent tuning potential.