The Tamiya FS-12FD Aluminum Heat Sink Head, model number 41083, is a practical upgrade aimed at improving thermal management for RC nitro motors. Built for FS-12FD engine types, this aluminium head helps keep operating temperatures steadier during extended sessions.
This head fits Tamiya TNS-B (ITEM43529) and XBG AMG 2006 (TNS-FD Engine Use) variants. The installation is straightforward so most hobbyists can install it with basic tools and minimal adjustments to their current setup.
By increasing heat transfer away from the combustion chamber, the FS-12FD Aluminum Heat Sink Head reduces overheating risk and can contribute to longer engine life. It is especially useful for drivers who run long practice sessions or endurance events.
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