This RC-scale heatsink is intended for Savage-compatible models and is identified with part code HSA-027/TI. The 13-fin, titanium-finished profile provides a compact area for passive cooling of small nitro engine heads used in model trucks.
Functionally the heatsink increases the engine head's exposed surface to speed heat transfer away from the combustion area, helping stabilise temperatures during set-up and sustained running. It is a model-only accessory and not suitable for real vehicle engines.
Fitting instructions: secure the heatsink to the engine head using the model's existing head screws and mount points. Confirm internal clearance and airflow around the head before tightening. Additional fittings are not presumed to be provided.
Effect on running: when mounted as recommended the heatsink can reduce sudden temperature spikes and support more predictable idling and running while making needle adjustments. It is designed for thermal control rather than added power.
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