Camshaft selection has a direct impact on the power characteristics of an RB26DETT. The Tomei Procam Camshaft Set (part number TA301A-NS05G) is a matched intake and exhaust pair designed for the Nissan RB26DETT in the Skyline R32 and R33 GT-R as well as the Stagea 260RS, featuring a 282° duration and 10.80 mm lift profile intended for higher-output applications.
Tomei’s VALC profile (Velocity, Acceleration, Lift, Control) is developed to open the valves more aggressively and sustain greater area under the lift curve compared with many conventional profiles of similar duration. This supports increased airflow and stronger power potential while managing valve acceleration and closing rates to help limit unnecessary stress on the valvetrain when properly supported. The result is a camshaft package suited to builds seeking significant mid-to-high RPM gains.
These Procam 282-10.80 shafts are aimed at performance-oriented R32/R33 GT-R and Stagea 260RS engines where increased output is the priority. Supporting valvetrain components and professional engine management tuning are typically required to realize the full benefit and maintain reliability. At Terra Firma Automotive, we supply this genuine Tomei Procam Camshaft Set as a serious upgrade for earlier RB26DETT platforms. Choose Terra Firma Automotive for authentic Japanese performance camshafts that support capable high-output builds on the R32, R33, and Stagea 260RS.
- Genuine Tomei Procam Camshaft Set
- Part Number: TA301A-NS05G
- Application: Nissan RB26DETT
- Duration: 282°
- Lift: 10.80 mm
- Matched intake and exhaust set
- VALC profile (Velocity, Acceleration, Lift, Control)
- Designed for higher power applications
- Increased effective airflow potential
- Controlled valve acceleration and closing characteristics
- Requires supporting valvetrain components and proper tuning
- Suitable for performance and high-output builds
- Trusted Japanese camshaft engineering
- Available from Terra Firma Automotive
Compared to standard profile camshafts of the same lift, VALC profile camshafts are able to then then off-set the difference for even greater lift/performance gains.
Strict phase angle tolerances minimize the risk of valve timing issues and ensures each valve opens and closes precisely. Tomei research showed that some camshafts from other manufacturers had more than 5 degrees difference in the phase angle! This makes it near impossible to achieve the correct valve timing.
- Optimized 'velocity' and 'acceleration'.
- Designed for high power setups.
- Optimizes engine performance.
- Higher lift than other profiles of the duration.
- Reduced stress/wear on the valve train.
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