Supertech Black Nitride Exhaust Valve - Single | Multiple Subaru Fitments (SEVN-1010)
Supertech
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Subaru EJ20/EJ25 Black Nitride Exhaust Valve by Supertech
Supertech exhaust valves are made from EV16 (21-8N) or EV8-Nb/w for greater strength at higher temperatures.
Features
- Head Diam: 32.00mm(std)
- Material: Stainless Steel 23-8N
- Groove Type: Single Groove
- Length: 104.7mm(std)
- Stem Diam: 5.96mm
- Back-cut angle
- Undercut stem
- One piece forged valve (non-magnetic)
- Magnetic friction welded wafer, Hardened to 52 HRC min
- Black Nitride for superior hardness keeping core ductility
- “Superfinish” valve stem with a surface roughness of about 1/3 of a regular valve
Benefits
- Less Friction
- Better Flow Rates
- Better Sealing
- Improves durability and reduces carbon build up
Applications
- 2006-2014 Subaru WRX
- 2004-Present Subaru WRX STI
- 1998-2011 Subaru Impreza
- 1996-2010 Subaru Legacy
- 1996-2012 Subaru Legacy GT
- 1996-2012 Subaru Outback
- 1998-2010 Subaru Forester
- 1998-2013 Subaru Forester XT
What's In The Box?
- 1 - Exhaust Valve
Warranty
- Due to the nature of the application, these parts are sold without any express warranty or any implied warranty of merchantability, or fitness for a particular purpose.
