Supertech Black Nitride Intake Valves - Set of 12 | Multiple Audi/Volkswagen Fitments (AIVN-1106S-12)
Supertech
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Audi/VW 1.8T 5V Black Nitride Intake Valves by Supertech
Supertech intake valves are made exclusively from an enhanced versions of EV8 (21-4N) steel. This is the highest grade of steel available and provides the strength to withstand just about any application. Supertech exhaust valves are made from EV16 (21-8N) or EV8-Nb/w for greater strength at higher temperatures.
Features
- Head Diam: 27.90mm (+1.0)
- Stem Diam: 5.96mm
- Length: 105.09mm
- Magnetic friction welded wafer, Hardened to 52 HRC min
- One piece forged valve (non-magnetic)
- Black Nitride for superior hardness keeping core ductility
- Back-cut angle
- “Superfinish” valve stem with a surface roughness of about 1/3 of a regular valve
- Undercut stem
Benefits
- Improves durability and reduces carbon build up
- Less Friction
- Better Flow Rates
- Better Sealing
Please Note: Must use single groove keeper part# KPR-6S/7 (two per valve)
Applications
- 1997-1999 Audi A4
- 1997-2000 Audi A4 Quattro
- 2000-2002 Audi A6 Quattro
- 2001-2002 Audi Allroad Quattro
- 2000-2002 Audi S4
- 1998-1999 Volkswagen Passat
What's In The Box?
- 12 - Intake Valves
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.
