July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

When New Cylinder Block Is Used

Check the cylinder bore grade ("1", "2" or "3") on rear side of cylinder block, and select piston of the same grade.

Fig 1: Identifying Bearing Housing Grade And Cylinder Bore Grade No. On Cylinder Block

Courtesy of NISSAN NORTH AMERICA, INC.

NOTE: Piston is available with piston pin as a set for the service part.