Mazworx 2JZ-GTE Stage 4 Pro Street Cylinder Head

The Mazworx 2JZ-GTE Stage 4 Pro Street Cylinder Head is a precision-engineered upgrade designed to maximize the performance of your Toyota 2JZ engine, specifically for the JZA80 chassis. This stage 4 head is crafted to enhance airflow, durability, and valve control to support high-performance street and racing applications.

Comprehensive Machine and Assembly Labor

• Water port plugs installed on the deck surface with machining to minimize water passage, enhancing structural integrity.
• Removal, drilling, tapping, and replacement of oil port plugs ensures reliable oil flow management.
• Exhaust Gas Recirculation (EGR) ports are fully plugged to support performance tuning needs.
• Installation of oversized valve seats for improved sealing and durability under high-stress conditions.
• Stage 4 CNC porting and combustion chamber work optimize airflow and combustion efficiency.
• CNC cam lobe clearancing tailored for 2JZ engines ensures compatibility with performance camshafts.
• Valve guides are carefully removed, reamed, and reinstalled to maintain precision valve alignment.
• A professional race-quality valve job is performed to ensure optimal valve seating and longevity.
• Valve lash is accurately set for peak valve train performance.
• The intake side water pipe is plugged, and a 1/2″ NPT tap is added to the rear top water pipe to support custom cooling solutions.
• The cylinder head is resurfaced for a perfect sealing surface.
• Complete assembly of the cylinder head with high-quality components ensures readiness for installation.

Premium Components Included

• Custom 36mm intake valves and 31.5mm Inconel exhaust valves offer enhanced strength and heat resistance.
• Copper alloy valve seats provide superior thermal conductivity and durability.
• Supertech bronze valve guides contribute to reduced friction and long-term reliability.
• Supertech dual valve spring kit rated at 118 lbs ensures excellent valve control at high rpm.
• Kelford DLC-coated shimless buckets minimize wear and maintain stable valve actuation.
• Ferrea valve locks and Mazworx spring seats provide secure valve retention under rigorous conditions.
• Supertech valve seals help maintain proper sealing and reduce oil consumption.
• Mazworx cylinder head water port plugs complete the sealing and coolant flow modifications.

Additional Requirements

Please note that this product requires a core head for the rebuild and camshafts if not purchased separately from Mazworx.

This Stage 4 cylinder head upgrade is engineered for enthusiasts and professionals seeking durable, high-performance enhancements for their Toyota 2JZ-GTE engines, combining precision machining with quality parts for optimal street and track performance.