Supertech Black Nitride Exhaust Valves – +0.5mm Oversize – Set of 8 | Multiple Nissan Fitments (NEVN-1006-8) Supertech

Nissan SR20DE Black Nitride Exhaust Valves by Supertech

Supertech exhaust valves are made from EV16 (21-8N) or EV8-Nb/w for greater strength at higher temperatures.

Features

• Head Diam: 30.65mm(+0.5)
• Material: Stainless Steel 23-8N
• Groove Type: Single Groove
• Length: 102.40mm
• Stem Diam: 5.94mm (DE)
• 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

• 1991–1992, 1994–1998 Nissan 180SX
• 1995–1998 Nissan 200SX SE-R
• 1991–2000 Nissan Pulsar
• 1991–1994, 1998–2001 Nissan Sentra
• 1991–1993, 1995–1996, 1998–2002 Nissan Silvia

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.