i have a OFNA Dominator with a two speed. I need a clutch bell for it. It is a 11 & 15 tooth bell. can i put a bell on it with different number of teeth or do i have to use the 11,15?

yes as long as you use the 4 teeth spread or you will have to change 1st or 2nd gear as long as the teeth add up to the same number. example 1st gear is 11+49= 60 2nd 15+45= 60 and so on.

On the dominator you'll need different spur gears also. There isn't quite enough room to slide the engine into position. It strips the gears pretty easily. The differences in the speed between the gears wasn't that much either on mine. Also make sure to get the dominator or monster pirate gears not the Titan gears. They won't mesh properly and strip out really quickly.

Speaking of it i love my M.P. the first truggy....