Cree XHP70 up to 4022 Lumens and XHP50 up to 2546 lumens - Multi-die leds.

That Lum 5-90 is a sweet reflector. It has a fairly large lip. So it could be made narrower if one has the patience and skill to do it. Check out my report on it with a MT-G2. It definitely is a big emitter reflector.