Traxxas Revo 12-Fin Engine Heatsink RE-021/P by 3Racing  [RE-021/P]

Technical overview

A 12-fin passive heatsink engineered for Traxxas Revo head profiles, supplied in a purple finish and identified as model RE-021/P. Intended as a precision-fitting external heat spreader to support thermal management on nitro engine heads.

Functionally the unit increases effective head surface area to aid convective heat transfer from the head to ambient air, which can reduce peak head temperatures on extended runs and improve temperature stability under load. This is a passive thermal solution and does not alter internal engine geometry.

Installation guidance: verify head stud layout, head height and tuned pipe routing before assembly to ensure correct seating and to prevent mechanical interference. Use appropriate length fasteners and torque to the engine head manufacturer's recommendations.

Application notes: incorporate the heatsink into a holistic cooling strategy that includes proper body airflow and engine setup; the component is intended to support consistent tuning parameters by moderating head temperature excursions.

A precise, reversible aftermarket heat spreader for the Revo head that aids thermal management without changing engine internals.