[traxxass1978]

What are the differences between engine build kit for turbo vs. n/a having issues finding parts/info

 

[Mazda Carnage]

Try cross referencing part numbers on partsouq.com, they probably use the same bearings, rods, rings but different compression pistons.

Then use the part numbers in google to see what you can find.

Some piston measurements here :
China M8614 MAZDA Manufacturer & Exporter