To be clear, there are different versions.
Mine are a different part number than yours.
Nit picking wheel size is tiresome.
Like saying how you upgraded to aluminum eddy/speed blaster heads from 1.88 smoggers ...and the guy next to ya says "oh you should have had them ported"...
If you think a .750 wheel roller doesnt make more power than a compariable solid flat ...you're smoking some bad ****.
