Tomei PROCAM Exhaust Camshaft — 4G63 EVO9 EX 282° 11.50mm — TA301F-MT01D
The Tomei PROCAM Exhaust Camshaft for the Mitsubishi 4G63 EVO9 is engineered for high-power builds that demand aggressive valve control, improved airflow, and strong top-end performance. Featuring Tomei’s advanced VALC cam profile technology, this camshaft delivers faster valve acceleration and increased lift area while maintaining valvetrain stability at high RPM.
Key Features
- PROCAM profile designed for high-power and race-oriented setups
- 282° duration / 11.50mm lift exhaust profile
- Optimized valve velocity and acceleration for improved airflow
- Higher lift compared to traditional profiles of similar duration
- Reduced valvetrain stress and wear through advanced lobe design
- Designed for high-RPM performance applications
VALC Cam Profile Technology
- Faster valve opening increases area under the lift curve for greater airflow
- Controlled valve closing helps reduce valvetrain shock
- Profile engineered to maximize lifter contact stability
- Improves performance while maintaining reliability under load
Fitment
- Engine: Mitsubishi 4G63
- Model: Mitsubishi Lancer Evolution IX
- Position: Exhaust Camshaft
Recommended Supporting Parts
- Tomei Valve Springs (TA304A-MT01A recommended)
- OEM or upgraded valve lifters
- Adjustable Cam Gear for precise tuning
Part Number: TA301F-MT01D
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