Requires Burris Top Adaptor Plate for Specific Engine Type
5 Degree Angle
Bottom Slider Mount for Narrow American Rail Karts
What is the difference between International and American Rail?
The distance center to center between the two engine rails.
International Measures 3 5/8" and American Measures 3".
Almost all race karts are International whether they are made in the US or not.
BMC592