Aluminium Cam Degree Wheel
Crow Cams 11 inch degree wheel. Dot to dot might be good enough for factory spec but if you are upgrading your cam you'll want to get the most out of it. Factory timing marks don't allow for machining tolerances or chain stretch which is why the professionals always "dial in" or degree a camshaft.
Degree wheels are designed to read the same as cam specification cards, and you can use them to measure cam centerline, valve timing, TDC, BDC, and more.