Supertech Black Nitride Intake Valves - Set of 12 | Multiple Audi/Volkswagen Fitments (AIVN-1106S-12)

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.