| Measurement | Value | Validity |
|---|
| Cylinder head support surface flatness (mm) | < 0.1 | 1.4 8v1.4 16v T-JET |
| Cylinder head gasket size with average maximum piston projection (mm) | projection0.028 ÷ 0.127thickness (no opening)0.67 ÷ 0.77 | 1.3 Multijet |
| Cylinder head gasket size with average maximum piston projection (mm) | projection0.128 ÷ 0.227thickness(one opening)0.77 ÷ 0.87 | 1.3 Multijet |
| Cylinder head gasket size with average maximum piston projection (mm) | projection0.228 ÷ 0.327thickness (two openings)0.87 ÷ 0.97 | 1.3 Multijet |
| Cylinder head lower surface flatness (mm) | 0.1 | 1.3 Multijet |
| Minimum permitted cylinder head height (mm) | 126.5 +/- 0.1 | 1.4 8v |
| Cylinder head height (factory value) (mm) | 77 | 1.4 16v T-JET |
| Combustion chamber volume (cc) | 14.30 | 1.4 16v T-JET |
| Cylinder head nominal height (mm) | 105.5 +/- 0.05 | 1.3 Multijet |
| Cylinder head - crankcase misalignment (mm) | 0.1 | 1.3 Multijet |
| Misalignment between cylinder head extension - cylinder head (mm) | 0.1 | 1.3 Multijet |