nova plus 21-5k ! this thing has it all
seriously
excellent porting design to use as much fuel for power as is possible =great torque , smooth pull and ripping top end !!!!! and the bearing issue has all but disappeared on the plus engines ,and if you happen to have a problem try the tko bearings . peter is an awesome guy and i will be testing his new ceramic bearings for the plus engines . i will keep you posted !!! i am sure they will be the $h!t !!!!