Piston & Rod Assembly
- Each rod is sorted into 1 of 4 size tolerance ranges. Size depends on crank journal bore. Number from 21 to 26 is stamped on side of rod big end and rod cap. Any combination of numbers from 21 to 26 may be found on any engine.NOTE: Reference numbers are for big end bore codes and do not indicate rod position in engine.
- Nominal connecting rod big end bore size is 1.89" (48.0 mm). Install piston and connecting rod so arrow on top of piston points toward timing belt, and numbers marked on connecting rod face timing belt.
NOTE:
All replacement piston pins are oversize.