Oversize and Undersize Engine Component Markings

OVERSIZE AND UNDERSIZE COMPONENT CODES
Some engines may be built with oversize or undersized components such as:
^ Oversize cylinder bores.
^ Oversize camshaft bearing bores.
^ Undersize crankshaft main bearing journals.
^ Undersize connecting rod journals.

Oversize And Undersize Component Codes:

Oversize And Undersize Component Code Location:

These engines are identified by a letter code stamped on the oil