Supertech Nissan RB20 w/Hydraulic Lifter Inconel Intake Valve - +1mm OS - Single | 1989-1994 Nissan Skyline (NEVI-1042)

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Nissan RB20 DOHC Inconel Exhaust Valve by Supertech

Supertech sodium filled valves made of Inconel/Nimonic alloy offer a significant reduction in valve head temperatures that are required for today’s modern turbo engines.

A cooler valve improves the material strength and durability while allowing the tuner more flexibility and a wider range of spark timing advances. Combine that with an average weight reduction of 10% and there isn’t a cooler valve on the market

Please Note: Use with Solid lifters

Features

  • Head Diam: 27.50mm (+1.0)
  • Material: Inconel-Nimonic
  • Groove Type: Single Groove
  • Length: 89.90mm
  • Stem Diam: 5.94mm
  • Back-cut angle
  • Undercut stem
  • One piece forged valve (non-magnetic)
  • Magnetic friction welded wafer, Hardened to 52 HRC min
  • “Superfinish” valve stem with a surface roughness of about 1/3 of a regular valve

Benefits

  • Reduced valve head temperature
  • Allows the tuner more flexibility and a wider range of spark timing advances
  • Improves material strength and durability

Applications

  • 1989-1994 Nissan Skyline

What's In The Box?

  • 1 - Exhaust 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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