Skunk2 Alpha Series intake and exhaust valve set for the Honda D-series engine, forged one-piece from HNV3 martensitic steel (intake) and EV8 austenitic steel (exhaust), heat-treated and hard-chrome plated with airflow-optimized head profiles. Each valve runs 3 to 10 grams lighter than stock for improved valvetrain stability. Sold as a complete valve set.
Specifications
| Type | Engine valve set |
| Series | Alpha Series (standard compression) |
| Engine | Honda D-series |
| Head Diameter | 30.00mm intake / 26.00mm exhaust |
| Stem Diameter | 5.48mm intake / 5.45mm exhaust |
| Overall Length | 118.5mm intake / 116mm exhaust |
| Material | HNV3 / EV8 one-piece forged, hard-chrome plated |
| Quantity | Full valve set |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1992-2000 | Honda | Civic | EX |
| 1992-1995 | Honda | Civic | Si |
| 1993-1997 | Honda | Civic del Sol | Si |
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