Tomei Camshaft Procam IN/EX Set 272-11.50/11.0mm Compatible with Mitsubishi Evo X 4B11

✅ Vehicle Fitment

Designed for:

• Mitsubishi Lancer Evolution X (4B11T Engine)

⚠ Professional installation strongly recommended. Supporting mods required.

Tomei Procam 272 Evo X 4B11 Camshaft Specifications

• Duration: 272° (Intake & Exhaust)

• Lift: 11.50mm Intake / 11.0mm Exhaust

• Application: Turbocharged 4B11 builds

Aggressive profile for high-RPM and high-boost setups.

Why Upgrade to 272° Procams?

Compared to stock cams, these provide:

• Increased airflow at high RPM

• Improved top-end power

• Better turbo spool characteristics (with proper setup)

• Stronger performance at elevated boost levels

Ideal for big turbo builds aiming for 450–700+ HP setups.

Required Supporting Mods

Running 272s without supporting hardware? Risky.

Recommended:

• Upgraded valve springs & retainers

• ECU tuning

• Upgraded turbo system

• Fuel system upgrades

• Proper engine management

Bigger cams mean more airflow. Your tune needs to match.

Tomei Procam 272 Evo X 4B11 Performance Expectations

• Noticeable top-end power increase

• More aggressive powerband

• Rougher idle compared to stock

• Built for track or high-performance street builds

Daily drivability depends on tune quality.

Installation Notes

• Professional installation required

• Degreeing cams recommended

• Valve clearance verification necessary

• ECU recalibration mandatory

This is not a “slap it on and hope” mod.