Photos shown for illustration; shade and shape may differ slightly.
Skunk2 Alpha Valves 30/26 mm, Standard Compression, for Honda D16Z6, D16Y5, D16Y7 and D16Y8 Engines
Supplier stock
Skunk2 Alpha valves for Honda D16Z6, D16Y5, D16Y7 and D16Y8 engines have 30 mm intake and 26 mm exhaust heads, dished, for standard compression. They are one-piece forgings, hard chrome plated.
Specifications
| Brand | Skunk2 Racing |
| Code | 310-05-1600 |
| Head diameter (intake / exhaust) | 30 / 26 mm |
| Length (intake / exhaust) | 118.5 / 116 mm |
| Stem (intake / exhaust) | 5.48 / 5.45 mm |
| Head | dished, standard compression |
Which cars it fits
- Honda D16Z6, D16Y5, D16Y7 and D16Y8 engines
What to check
- One-piece forged valves, HNV-3 martensitic steel on the intake and EV8 austenitic steel on the exhaust, heat treated and hard chrome plated, with a head profile shaped for airflow; 3-10 g lighter than stock.
- Skunk2 recommends the 344-05-1350 Alpha kit, the 311-05-1345 Alpha springs and the 308-05-1600 Alpha titanium retainers.