Supertech Subaru EJ20/EJ25 Inconel Exhaust Valve - +0.5mm Oversize - Set of 8 | Multiple Subaru Fitments (SEVI-1012-8)

Subaru EJ20/EJ25 Inconel Exhaust Valves by Supertech

Supertech sodium filled valve 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

Features

• Head Diam: 32.50mm(+0.5)
• Material: Inconel-Nimonic
• Groove Type: Single Groove
• Length: 104.7mm(std)
• Stem Diam: 5.96mm
• 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
• Improved material strength and durability

Applications

• 2006-2014 Subaru WRX
• 2004-Present Subaru WRX STI
• 1998-2011 Subaru Impreza
• 1996-2010 Subaru Legacy
• 1996-2012 Subaru Legacy GT
• 1996-2012 Subaru Outback
• 1998-2010 Subaru Forester
• 1998-2013 Subaru Forester XT

What's In The Box?

• 8 - 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.