not really sure the spec.. (jz know for racing)
weight = around 4.+kg
plug n play for 4g93/93T.... (not sure about 4g92 mivec)
no sure about the teeth..
Here's an option for extra car cooling benefits for your mr2s.
Works great to force more air in thru the side intakes.
Cooler engine bay = more reliable engine and more power...