Supertech Black Nitride Intake Valve - +1mm Oversize - Single | 1991 Nissan Pulsar GTI-R (NIVN-1007-GTIR)

Supertech
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1991 Nissan Pulsar GTI-R Black Nitride Intake Valve 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: 35.15mm(+1)
  • Material: Stainless Steel 21-4N
  • Groove Type: Single Groove
  • Length: 103mm
  • Stem Diam: 6.94mm
  • 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

  • 1991 Nissan Pulsar GTI-R

What's In The Box?

  • 1 - 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.

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