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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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Tomei

Tomei is a renowned Japanese brand specializing in high-performance automotive parts and tuning solutions. Known for their precision engineering and exceptional craftsmanship, Tomei offers a wide range of products, including exhaust systems, turbochargers, camshafts, and engine components. Designed for enthusiasts and professionals, Tomei products deliver enhanced power, reliability, and performance, making them a trusted name in motorsports and street tuning worldwide.

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