Prelude Type-SH L4-2157cc 2.2L DOHC H22A4 (VTEC) 16V (1998)
Numbers or Letters or Bars have been stamped on the end of the block as a code for the size of each of the 5 main journal bores.
Use them, and the numbers stamped on the crankshaft (codes for main journal size), to choose the correct bearings.
Main Journal Code Locations (Numbers Or Bars)
The Main Journal Codes are stamped in the following locations.