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

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.