Supertech Black Nitride Intake Valves - +1mm Oversize - Set of 12 | Multiple Nissan/Infiniti Fitments (NIVN-1038-12)

Nissan VQ37VHR 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.

Features

• Head Diam: 37.7mm(+1.0)
• Material: Stainless Steel 21-4N
• Groove Type: Single Groove
• Length: 100.2mm
• Stem Diam: 5.97mm
• 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

• 2008–2013 Infiniti G37 Coupe
• 2008–2014 Nissan Skyline V36 370 GT Coupe
• 2009–2014 Infiniti G37 Sedan
• 2009–2014 Nissan Skyline V36 370 GT
• 2009–2013 Infiniti G37 Convertible
• 2009–2013 Infiniti FX37
• 2009–2013 Infiniti EX37
• 2009–2020 Nissan 370Z/Fairlady Z
• 2009–2020 Nismo 370Z NISMO
• 2011–2013 Infiniti M37
• 2011–2016 Infiniti IPL G37 Coupe
• 2013 Infiniti IPL G37 Convertible
• 2015 Infiniti Q40 Sedan
• 2014–2015 Infiniti Q50 Sedan
• 2014–2016 Infiniti Q60 Coupé
• 2014–2015 Infiniti Q60 Convertible
• 2014–2019 Infiniti Q70
• 2014–2017 Infiniti QX50
• 2014–2017 Infiniti QX70

What's In The Box?

• 12 - Intake Valve

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.