The complete cylinder head assembly with reference number PW912450 is designed for Proton CamPro CFE 1.6L turbocharged gasoline engines. This aluminum alloy cylinder head features DOHC 16-valve configuration with variable valve timing (VVT) and turbocharging compatibility, delivering reliable performance for Proton Preve, Suprima S, and related compact vehicle platforms.

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Quick Specifications:

• Part Number: PW912450 (Proton OEM format)
• Engine Code: CamPro CFE / S4PH Turbo (Proton CamPro Turbo Family)
• Displacement: 1.6 L (1,597 cc)
• Configuration: Inline-4 DOHC 16V, Turbocharged & Intercooled
• Fuel System: Multi-Point Fuel Injection (MPI) + VVT + Turbo
• Material: Aluminum Alloy
• Valve Configuration: DOHC 16-Valve (4 valves per cylinder)
• Valve Train: Dual VVT (intake/exhaust), hydraulic lifters

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Performance Data:

• Power Output: 103-140 kW (140-190 HP) @ 5,000-5,500 RPM (variant-dependent)
• Torque: 205-240 Nm @ 2,000-4,000 RPM (with overboost)
• Compression Ratio: 9.5:1 - 10.0:1 (turbo-optimized)
• Boost Pressure: ~0.6-0.8 bar (wastegate-controlled)
• Emission Standard: Euro 4 / Euro 5

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Complete Assembly Typically Includes:

✅ Cylinder head casting with integrated camshaft bearing bores
✅ Intake and exhaust valves with hardened seats
✅ Valve springs, retainers, and collets
✅ Camshafts (intake/exhaust with VVT phasers, supplier-dependent)
✅ Hydraulic valve lifters / tappets assembly
✅ Valve stem seals (pre-installed on new assemblies)
✅ Camshaft oil seals and spark plug tube seals
✅ VVT solenoid mounting surfaces and oil control valves
✅ Turbocharger oil feed/return passage bosses

✅ Core plugs and basic mounting hardware

Applications:

• Proton Preve (2012-2018, 1.6T CamPro CFE variants)
• Proton Suprima S (2013-2019, 1.6T CamPro CFE variants)
• Proton Iriz / Persona (select 1.6T applications)
• Proton Exora Bold (1.6T variants)
• Aftermarket performance rebuild & replacement projects
• Fleet/taxi vehicle maintenance in Southeast Asian markets