TRA5237 Cooling head, PowerTune (machined aluminum, blue-anodized) (TRX 2.5 and 2.5R)/ head protector (plastic)
Traxxas power tune cooling head has a blue anodized head with plastic head protector. Eleven cooling fins.
The Powertune machined aluminum cooling head promotes even heat distribution for stable engine temps and rock-solid tuning consistency. Other mods include a new sleeve for improved engine efficiency and better power.