agreed with dean.
as said, any 134, 144, 172, or 192 4 cyl red tiger will bolt up.
watch the extra ponies.
could use the small carb to help limit the extra power, or use the correct carb and just be carefull.
depending exactly on what you have for a fuel tank and manifold you may be swapping some parts around to get it all hooked up anyway. ie different ear and fuel lines..e tc. nothing too hard to overcome.