318 flywheel
10.5"
The flywheel worked just fine.
Beware they are made in China.
I did have a problem with the Zoom clutch that I put in it.
After several calls to the tech department the new pressure plate was defective.
This is the clutch kit that I had bolted to it.
http://www.summitracing.com/parts/ZZZ-MU1647-1/