Mazworx SR20VE Stage 1 Cylinder Head All Motor
Price range: $2,399.00 through $3,848.00
Upgrade your Nissan SR20VE engine with the Mazworx Stage 1 Cylinder Head, crafted for street natural aspiration. This professionally serviced head features precision CNC machining, premium Supertech components, and expert valve work — to boost reliability and airflow without forced induction. Requires a virgin core head.
Modern Production Capabilities.
Advanced Engineering & Race Tested.
Modern Production Capabilities.
Advanced Engineering & Race Tested.
Designed for street natural aspiration (NA) applications, the Mazworx SR20VE Stage 1 Cylinder Head upgrade offers a comprehensive enhancement for the Nissan SR20 engine series. This professionally assembled head transformation is aimed at delivering reliable performance improvements without requiring forced induction.
Detailed Service and Labor
- Complete disassembly of the cylinder head
- Thorough hot tank cleaning for optimal surface preparation
- Removal, drilling, tapping, and replacement of oil port plugs specific to SR Heads
- Removal and replacement of threaded freeze plugs (16mm standard) tailored for the SR20VE head
- Expert valve seat and bowl blending to improve airflow and combustion efficiency
- CNC machining of the combustion chamber available in 87mm or 90mm configurations
- Removal, reinstallation, and precision reaming of valve guides
- Installation of new intake valve seats
- Multi-angle valve job to ensure optimal sealing and durability
- Precise setting of valve lash and tipping for enhanced valve train performance
- Professional resurfacing of the head for proper gasket sealing
- Final assembly of the cylinder head components following strict quality standards
Premium Components Included
- Supertech valves for both standard intake and exhaust
- Optional Mazworx shimless valves available for standard intake and exhaust configurations
- Supertech valve stem seals to maintain optimal valve lubrication
- Supertech titanium retainers for reduced reciprocating weight
- Supertech dual valve springs rated at 83 lbs, specifically designed for SR20VE applications
- Supertech bronze valve guides to improve wear resistance
- Mazworx threaded and O-ringed freeze plug kit engineered for the SR20VE head
Requirements
- Customer to provide a virgin core cylinder head
This Stage 1 cylinder head upgrade provides a balanced enhancement for all-motor enthusiasts seeking durability and improved engine breathing on naturally aspirated SR20VE builds. Each head is meticulously serviced and assembled using premium parts to ensure long-lasting, reliable performance suitable for daily driving or spirited street use.
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