Valve dimensions
Courtesy of VOLKSWAGEN UNITED STATES, INC.
NOTE:
- Intake and exhaust valves must not be refaced by grinding. Only lapping is permitted.
| Dimension |
Intake valve |
Exhaust valve |
| Dia. a |
mm |
33.85 ± 0.10 |
28.0 ± 0.1 |
| Dia. b |
mm |
5.98 ± 0.01 |
5.96 ± 0.01 |
| c |
mm |
104.0 ± 0.2 |
101.9 ± 0.2 |
| α |
∠ ° |
45 |
45 |