Piston: Specifications
| Piston Diameter (Standard) | Grade No. 1 | 3.9911-3.9915 Inch (in) |
| Grade No. 2 | 3.9915-3.9919 Inch (in) | |
| Grade No. 3 | 3.9919-3.9923 Inch (in) | |
| Piston to Cylinder Bore Clearance | 0.0006-0.0014 Inch (in) |
| Piston Diameter (Standard) | Grade No. 1 | 3.9911-3.9915 Inch (in) |
| Grade No. 2 | 3.9915-3.9919 Inch (in) | |
| Grade No. 3 | 3.9919-3.9923 Inch (in) | |
| Piston to Cylinder Bore Clearance | 0.0006-0.0014 Inch (in) |