WHEN ORDERING, PLEASE STATE ADDITIONAL CODE: I========================================================================================================================I I IDENTIFICATION I IDENTIFICATION I APPROVED I SUPPLEMENTARY CODE I I OF CYLINDER BORE I OF PISTON I PISTONS I FOR ORDERING PISTONS I I==========================I================================I=============================I==============================I I A I A I A OR X I 52 FOR A-PISTON I I X I X I A OR X OR B I 54 FOR X-PISTON I I B I B I B OR X I 56 FOR B-PISTON I I========================================================================================================================I