| 10:1 ENGINES (NGV) | Piston ring-to-groove clearance, top | 0.001181102 - 0.002755906 Inch (in) |
| Piston ring-to-groove clearance, intermediate | 0.0007874016 - 0.002362205 Inch (in) |
| Piston ring-to-groove clearance, oil control | 0.001181102 - 0.002755906 Inch (in) |
| Piston ring gap, top | 0.005905512 - 0.01181102 Inch (in) |
| Piston ring gap, intermediate | 0.005905512 - 0.01181102 Inch (in) |
| Piston ring gap, oil control | 0.005905512 - 0.01181102 Inch (in) |
| 9:1 ENGINES (GASOLINE) | Piston ring-to-groove clearance, top | 0.0007874016 - 0.002362205 Inch (in) |
| Piston ring-to-groove clearance, intermediate | 0.0007874016 - 0.002362205 Inch (in) |
| Piston ring-to-groove clearance, oil control | 0.001181102 - 0.002755906 Inch (in) |
| Piston ring gap, top | 0.005905512 - 0.01181102 Inch (in) |
| Piston ring gap, intermediate | 0.005905512 - 0.01181102 Inch (in) |
| Piston ring gap, oil control | 0.005905512 - 0.01181102 Inch (in) |