| Measurement | Value | Validity |
|---|
| Cylinder head lower surface flatness | 0.05 - 0.15 mm | 1.9 JTS2.2 JTS |
| Combustion chamber minimum permitted height | 12.75 mm | 1.9 JTS2.2 JTS |
| Cylinder head lower surface flatness | 0.1 mm | 1.9 JTD 8V2.4 JTD 20V |
| Cylinder head lower surface flatness | 0.05 mm | 1.8 |
| Cylinder head lower surface flatness | 0.1 ± 0.05 mm | 1.9 JTD 16V |
| Cylinder head support surface flatness | < 0.1 mm | 1.9 JTD 8V1.9 JTD 16V |
| Cylinder head lower plane minimum permitted height | 107.0 ± 0.05 mm | 1.9 JTD 16V |
| Cylinder head lower plane minimum permitted height | 140.85 - 141.15 mm | 1.9 JTD 8V |
| Cylinder head lower plane minimum permitted height | 107.0 ± 0.05 mm | 2.4 JTD 20V |
| Cylinder head gasket size with average maximum piston projection | projection -0.020 - +0.100 mmthickness (no opening) 0.82 ± 0.05 mm | 1.9 JTD 16V2.4 JTD 20V |
| Cylinder head gasket size with average maximum piston projection | projection +0.101 - +0.200 mmthickness (one opening) 0.92 ± 0.05 mm | 1.9 JTD 16V2.4 JTD 20V |
| Cylinder head gasket size with average maximum piston projection | projection +0.201 - +0.295 mmthickness (two openings) 1.02 ± 0.05 mm | 1.9 JTD 16V2.4 JTD 20V |
| Cylinder head gasket size with average maximum piston projection | projection 0.014 - 0.104 mmthickness (no reference) 0.770 - 0.870 mm | |
| Cylinder head gasket size with average maximum piston projection | projection 0.105 - 0.205 mmthickness (one reference) 0.870 - 0.970 mm | |
| Cylinder head gasket size with average maximum piston projection | projection 0.206 - 0.294 mmthickness (two references) 0.970 - 1.070 mm | |