Standard Procedure - Piston Fitting

Fig 1: Identifying Piston

Courtesy of CHRYSLER LLC

All pistons are machined to the same weight in grams, to maintain piston balance.

Fig 2: Measuring Cylinder Bores

Courtesy of CHRYSLER LLC

The piston and cylinder walls must be clean and dry. Piston diameter should be measured 90 degrees to piston pin axis. Cylinder bores should be measured halfway down the cylinder bore (2) and transverse to the engine crankshaft center line.