The larger CIM motor is part number FP801-005 and was commonly referred to as the "minibike" motor. It was legal in 2006 and 2007.
Preformance Sheet:
http://web.archive.org/web/200612142..._FR801-005.pdf
Edit: You may also want to look into AmpFlow and similar motors. They've become practically the equivalent of the CIM in combat robotics, but that's starting to change with the increasing popularity of brushless drive motors.