Valve Dimensions
- Intake and exhaust valves must not be reworked. Only lapping is permitted.
Courtesy of AUDI OF AMERICA, LLC
| Dimension |
Intake Valve |
Exhaust Valve |
| Diameter a |
mm |
32.0 ± 0.1 |
28.0 ± 0.1 |
| Diameter b |
mm |
5.98 ± 0.007 |
5.961 ± 0.007 |
| c |
mm |
102.43 |
103.184 |
| α |
∠ |
44° 50' ± 10' |
44° 50' ± 10' |