Supertech Black Nitride Exhaust Valve – +3mm Oversize – Single | 1971-1982 Toyota Corolla (TEVN-1063) Supertech

1971-1982 Toyota Corolla Black Nitride Exhaust Valve by Supertech

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

Features

• Head Diam: 39.00mm (+3.0)
• Stem Diam: 8.00mm
• Length: 110mm
• 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

• 1971-1982 Toyota Corolla

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.