CUB:Stock intake and stock head bolt pattern. PV/PowerValves are not an option.
Cheetah: Mid-Top end power.
Serval: Low-Mid range power.
Wampus: (Cheetah/Serval power) Stock Cylinder appearance.
Super CUB: Bigger than 68mm bore. Stock intake bolt pattern, but different head.
DM, DMX, Scimitar, Cougar and Caracals are bigger and not for askholes. (joke)