13-Fin GPM SAV1815 Aluminum Heat Sink for HPI Savage 21  [SAV1815]

Engine cooling upgrade for Savage 21

Fit the GPM SAV1815 to your HPI Savage 21 to increase heat dissipation with a 13-fin aluminum profile. By improving airflow and surface area the heat sink helps engines maintain safer temperatures under load, aiding consistency and extending run time between cooling breaks. A solid upgrade for regular racers and weekend basher setups.