Piston, Engine
| Piston Diameter (Standard) | Mark 1 | 3.4437-3.4441 Inch (in) |
| Mark 2 | 3.4441-3.4445 Inch (in) | |
| Mark 3 | 3.4445-3.4449 Inch (in) | |
| Piston Clearance | 0.0008-0.0016 Inch (in) |
| Piston Diameter (Standard) | Mark 1 | 3.4437-3.4441 Inch (in) |
| Mark 2 | 3.4441-3.4445 Inch (in) | |
| Mark 3 | 3.4445-3.4449 Inch (in) | |
| Piston Clearance | 0.0008-0.0016 Inch (in) |