Supertech Black Nitride Intake Valve (+2mm Oversize) - Set of 8 | Multiple Fitments (VWIVN-1038-8)

Supertech
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Volkswagen ABF 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: 34.00mm(+2)
  • Material: Stainless Steel 21-4N
  • Groove Type: Single Groove
  • Length: 95.50mm
  • Stem Diam: 6.97mm
  • 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

Applications

  • 1990-1991 Audi 90 Quattro
  • 1990-1991 Audi Coupe Quattro
  • 1990-1997 Volkswagen Golf
  • 1990-1992 Volkswagen Jetta
  • 1990-1993 Volkswagen Passat

What's In The Box?

  • 8 - 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.

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