Supertech Black Nitride Exhaust Valve - Set of 12 | Multiple Audi/Volkswagen Fitments (AEVN-1103-12)

Audi/VW 1.8T Black Nitride Exhaust Valves by Supertech

Supertech exhaust valves are made from EV16 (21-8N) or EV8-Nb/w for greater strength at higher temperatures.

Features

• Head Diam: 29.90mm (std)
• Material: Stainless Steel 23-8N
• Groove Type: Triple Groove
• Length: 103.90mm
• Stem Diam: 5.94mm
• 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

• 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 - Exhaust 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.