[scottz]

Originally Posted by scottz

Thanks for measuring that Mark. My brackets are also 3 7/8 apart. I compared the photos and your gear pack has spacers on the inside of the bracket between the bracket and the guide wheels. Mine does not. The shoulders on your guide wheels are against the gear on both sides; mine are not.

I retract this idea Mark. I took another photo of mine from the bottom and they look the same except your frame welded brackets might be a little thicker. Now I can't account for the space between my guide rollers and the gear.
Here is new comparison photo. Your gears are on the left.