Build your Audi 1.8T stronger with Supertech exhaust valves. Key specs: Material: Inconel-Nimonic, Head diameter: 29.90mm (std), Stem diameter: 5.94mm, Overall length: 103.90mm, and Groove: triple groove. Manufactured from heat-resistant alloys engineered for the extreme thermal loads of high-output and turbocharged applications. Built for racing reliability and long service life under boost. For a complete valvetrain refresh, pair with matched Supertech intake valves, valve springs, retainers, valve guides and stem seals. Inconel and sodium-filled options are available for the most thermally demanding applications. Verify valve-to-piston clearance and installed spring height during assembly. Order direct from Supertech for fast shipping and expert technical support.
| Specs | Engine |
|---|---|
| Groove Type | Triple Groove |
| Length | 103.90mm |
| Stem Diameter | 5.94mm |
| Head Diameter | 29.90mm (std) |
| Material |
inconel-nimonic |
| Make | Engine | Groove Type | Valve Size | Valve Face Type | Valve Length | Valve Set |
|---|---|---|---|---|---|---|
| Audi | 1.8T | Triple Groove | Standard | Dished | 103.90mm | Set of 8 |
| Audi | AEB | Triple Groove | Standard | Dished | 103.90mm | Set of 8 |
| VW | 1.8T | Triple Groove | Standard | Dished | 103.90mm | Set of 8 |
| VW | AEB | Triple Groove | Standard | Dished | 103.90mm | Set of 8 |
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