SuperFlow Videos
Featured Videos
Sumo Power Promotional Video 2010
SEMA 2010
JRM Promotional Video 2010
Sumopower & JRMGroup owner - James Rumsey interview
TCRS
Engine Dynos
In one of the most ambitious Big Dog undertakings ever, Jay and his team are prepping to test a brand new 421-cubic inch Duesenberg head, made by Jim Schneck. Now it's time to put this 350-pound cast iron behemoth on the SuperFlow SF-902 engine dyno and let her rip.
Chassis Dynos
Videos Coming Soon