Mazworx RB26DETT Stage 1 Cylinder Head

The Mazworx RB26DETT Stage 1 Cylinder Head is expertly developed for Nissan RB series engines, focusing on delivering reliable performance for setups targeting up to 600 horsepower. This head package features precisely hand-ported intake and exhaust ports optimized to complement the standard size valves, enhancing airflow efficiency without compromising durability.

Comprehensive Machine and Assembly Work

Every Stage 1 cylinder head undergoes meticulous labor-intensive processes to ensure optimal operation and longevity. The following steps are included in the build:

• Complete disassembly and sand blasting for thorough cleaning
• Removal, drilling, tapping, and replacement of oil port plugs
• Machining provisions for threaded freeze plugs to enhance coolant sealing
• Precision blending of valve seats and bowls for smooth airflow transitions
• Valve guide removal, reinstallation, and reaming to factory tolerances
• Professional race-grade valve job to improve sealing and durability
• Valve lash adjustment to manufacturer specifications
• Head resurfacing to ensure a perfectly flat sealing surface
• Final assembly with high-quality components for reliable performance

Premium Components Included

• Supertech standard size intake valves for strong intake flow
• Supertech Inconel exhaust valves offering enhanced heat resistance
• Bronze valve guides from Supertech providing improved wear resistance
• Single valve spring kit rated at 70lbs by Supertech for consistent valve control
• Lightweight titanium valve retainers from Supertech for reduced valvetrain mass
• Durable valve seals ensuring proper sealing and longevity
• Mazworx specialized threaded freeze plugs for cooling system reliability
• Various plugs included to complete the head assembly

Core Requirements and Options

To complete installation, a core head, buckets and shims, valves, spring seats, and keepers are required and not included with this package.

Optional camshaft upgrades available are the Kelford Cams 182-B 260/260 or the Tomei ProCam 262/262, which can be submitted along with the core for installation or matched to your build preferences.

This Mazworx RB26DETT Stage 1 Cylinder Head kit offers a balanced enhancement suitable for performance enthusiasts seeking to maximize power potential through a well-engineered head package backed by precision machining and top-tier hardware.