Piston Markings & Connecting Rod Markings

Markings On Connecting Rods
 - Marks On Connecting Rod Face The Cam Shaft

Markings On The Piston -
 - If Using A New Piston - it does not matter. Put any way you want. Most don't even have markings
 - Re-using your old piston - put it back the way it came out. Usually with markings facing the cam.