Valve Dimensions
WARNING: This page is about a different car, the 2025 Audi A4 allroad and 2025 Audi A4 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
Courtesy of AUDI OF AMERICA, LLC
- Intake and exhaust valves must not be reworked. Only grinding is permitted.
| Dimension |
Intake Valve |
Exhaust Valve |
| Diameter a |
mm |
33.85 ± 0.10 |
28.0 ± 0.1 |
| Diameter b |
mm |
103.97 |
101.87 |
| c |
mm |
5.92 ± 0.02 |
5.92 ± 0.02 |
| d |
∠° |
45 |
45 |