Technical information
Product details & specifications
Overview
GSC Power-Division stainless intake valves for Audi DAZA/DNWA 2.5L five-cylinder engines. The 21-4 stainless design uses back-cut heads, micro-polished stems and hardened tips. These valves work with OEM-style keepers/locks; GSC recommends new locks for performance builds. Choose a single valve or a set of 10.
Manufacturer specifications
| Valve Specification | Metric ( mm ) | Imperial ( In ) |
|---|---|---|
| Stem Diameter | 5.98 | .235 |
| Overall Length | 104 | 4.095 |
| Head Diameter | 33.9 | 1.334 |
Part numbers and options
- GSC2256-10 — Set (10)
- GSC2256-01 — Single Valve (1)
Technical resources
Confirm the exact application, component measurements and current installation instructions with your engine builder before assembly.