Supertech Black Nitrided Intake Valve (+2.5mm Oversize) -Set of 8 | Multiple Fitments (MAIVN-2308D-8)

Supertech
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Mazda MZR / Ford Duratec 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: 37.50mm (+2.5) Dish
  • Material: Stainless Steel 21-4N
  • Groove Type: Single Groove
  • Length: 103.40mm
  • Stem Diam: 5.48mm
  • 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

  • 2005-2015 Ford Escape
  • 2003-2015 Ford Focus
  • 2006-2015 Ford Fusion
  • 2014-2015 Ford Transit Connect
  • 2004-2013 Mazda Mazda3
  • 2007-2010 Mazda Mazda5
  • 2003-2007 Mazda Mazda6
  • 2007-2012 Mazda CX-7
  • 2005-2008 Mazda Tribute
  • 2005-2008 Mercury Mariner
  • 2006-2011 Mercury Milan

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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