Piston Measurements
S54 3.2L Piston| S54 Piston Dia. Piston and Pin are a matched set only replace together. | -- | -- | 
| Measuring point "A" (point is at 90 degs. to pin from lower edge of skirt) | mm | 9.5 | 
| Piston Dia. (point "A") | -- | -- | 
| STD. | mm | 86.965 (+/- 0.009) | 
| 1st oversize | mm | 87.165 (+/- 0.009) | 
| Piston running clearance | mm | 0.026 - 0.058 | 
| Permissible total wear tolerance between piston and cylinder (engine operated). | mm | 0.15 |