This Nissan SR20DET "Notchtop" Bare Cylinder Head is the foundational component for an S14 or S15 Silvia engine build. Since this is a "bare" head, it is designed for builders who plan to install their own valvetrain, such as aftermarket cams, springs, and retainers.
Product Overview
Engine Compatibility: Specifically for the SR20DET Notchtop found in the Nissan Silvia S14 and S15.
Condition: Bare cylinder head (no valves, springs, or cams included).
Key Design Feature: The "Notchtop" design includes the characteristic notch in the casting to accommodate the Variable Cam Timing (VCT) system found on later SR20DET models, which provides better mid-range torque compared to the earlier "Redtop" or "Blacktop" S13 engines.
Technical Specifications & Benefits
High-Flow Potential: The Notchtop head is often preferred for its improved port geometry and factory VCT support.
Customization Ready: Ideal for high-horsepower builds where factory valvetrain components would otherwise be discarded for performance upgrades (e.g., Tomei, GSC, or Brian Crower components).
Authenticity: Sourced as a genuine Nissan/Nismo component, ensuring factory-spec tolerances for deck flatness and port alignment.
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JDM to US License plate adapter bracket
A simple solution for mounting US plates on a JDM car. Don't drill holes in your license plate or your bumper! This simple plate bolts into the JDM plate frame and allows you to attach your US plate. It even comes with some nice stainless hardware and fancy washers!
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