This is a Team Integy Motor Blue Colored Heatsink with Cooling Fan for the Traxxas Slash, Stampede, Rustler and Bandit. FEATURES: Aluminum heatsink and cooling fan helps motor to run cooler INCLUDES: One motor heatsink w/ cooling fan with red 2-pin connector REQUIRES: Installation on motor SPECS: Width: 1.6" (41mm) including fan bracket Height: 1.7" (44mm) including fan JMLM 1/19/09 ir/jxs