Skunk2 Ultra Series intake and exhaust valve set for the Honda K-series engine, the premium line forged one-piece from HNV3 martensitic steel (intake) and EV8 austenitic nickel-based steel (exhaust) for high oxidation and corrosion resistance under extreme heat. Each valve is heat-treated and finished with a Chromium Nitride PVD coating that improves wear and heat resistance and reduces stem-to-guide friction. Sold as a 16-valve kit.
| Type | Engine valve set |
| Series | Ultra Series (standard compression) |
| Engine | Honda/Acura K-series VTEC |
| Head Diameter | 35.00mm intake / 30.00mm exhaust |
| Stem Diameter | 5.48mm intake / 5.45mm exhaust |
| Overall Length | 109mm intake / 108.6mm exhaust |
| Material | HNV3 / EV8 one-piece forged, Chromium Nitride PVD coated |
| Quantity | 16 valves per kit |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2006 | Acura | RSX | Base |
| 2002-2006 | Acura | RSX | Type-S |
| 2004-2008 | Acura | TSX | Base |
| 2003-2005 | Honda | Accord | DX |
| 2003-2007 | Honda | Accord | EX |
| 2007 | Honda | Accord | EX-L |
| 2003-2007 | Honda | Accord | LX |
| 2006 | Honda | Accord | LX Special Edition |
| 2005 | Honda | Accord | SE |
| 2007 | Honda | Accord | Special Edition |
| 2006-2007 | Honda | Accord | Value Package |
| 2008 | Honda | Civic | MUGEN Si |
| 2002-2012 | Honda | Civic | Si |
| 2002-2012 | Honda | CR-V | EX |
| 2007-2012 | Honda | CR-V | EX-L |
| 2002-2012 | Honda | CR-V | LX |
| 2005-2006,2011 | Honda | CR-V | SE |
| 2003-2004 | Honda | Element | DX |
| 2003-2011 | Honda | Element | EX |
| 2004-2011 | Honda | Element | LX |
| 2007-2010 | Honda | Element | SC |
