Originally Posted by johnnycuda
I remember hearing people having issues with the KB hypertectic pistons over the years.

That's because machinists would not follow the instructions about skirt clearance and ring gap,. They work fine if you use them properly and do not let the engine detonate.

The Icons are average nothing special good bang for the buck forged pistons that will work fine for most people. They would not likely be considered appropriate for a max effort engine.

In theory, there is no difference between theory and practice. In practice, there is.