Mazworx 4B11 Head Stage 3

The Mazworx 4B11 Head Stage 3 offers a comprehensive cylinder head upgrade specifically engineered for Mitsubishi 4B11 engines. This stage 3 build enhances performance by combining precision machining, high-quality components, and expert assembly to ensure reliability and improved airflow dynamics.

Professional Labor Process

• Complete disassembly of the cylinder head
• Thorough hot tank cleaning to remove all deposits
• Removal, drilling, tapping, and replacement of oil port plugs to ensure optimal oil flow and sealing
• Machining for freeze plug threads to enhance durability
• Stage 3 CNC porting and combustion chamber work to improve volumetric efficiency
• Line boring of billet cam cap for precise camshaft alignment
• Removal, reinstallation, and reaming of valve guides to factory specifications
• Replacement of intake valve seats for optimal sealing and flow
• Multi-angle valve job to enhance valve seating and airflow
• Setting valve lash and valve tip clearance for accurate valvetrain operation
• Resurfacing the cylinder head to ensure a perfect sealing surface
• Reassembly of the cylinder head using premium components

High-Quality Components Included

• Supertech intake valves sized +1mm for increased flow capacity
• Supertech exhaust valves made from Inconel, also +1mm, for improved temperature resistance and durability
• Supertech titanium valve retainers for reduced valvetrain mass and enhanced performance
• Supertech dual valve spring kit rated at 85 lbs to handle increased valve lift and RPM
• Supertech bronze valve guides for improved wear resistance
• Supertech valve stem seals to maintain proper lubrication without leakage
• Billet cam cap for superior strength and alignment
• Various necessary plugs for proper sealing and function

Additional Requirements

This upgrade requires a core cylinder head with valve buckets to be provided by the customer.