The “Evil Bucks Racer™” comm cooler is designed to be used on all slot car motors that have a shaft extending out of the endbell side. It helps pull heat away from the commutator and shaft.
Have warranty issues, need your motor rebuilt, or want to upgrade
The D3.5 17.5 spec motor is here. Designed by Jim Dieter to the absolute limits of the ROAR specs. There is no faster legal brushless motor you can buy!