The 3Racing HSA-027/R red heatsink is designed to suit HPI Savage 21, 25, and X engines. Its 13-fin aluminium profile expands the area available for cooling, helping the engine to shed heat faster in continuous or hard running conditions. Lowering thermal stress helps preserve components and performance.
Engines run more reliably when temperatures are kept in check. This heatsink disperses heat through multiple fins to reduce peak temperatures, which can prevent overheating related issues and maintain steadier power delivery.
Made for direct installation on HPI Savage 21, 25, and X models, the heatsink fits without modification and secures firmly to the head. It is a sensible upgrade for club racers and hobbyists focused on durability and steady performance.
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