Supertech Exhaust Valves for Toyota Supra 2JZGE & 2JZGTE 24v Turbocharged Engines

Supertech Exhaust Valves for Toyota Supra 2JZGE & 2JZGTE 24v Turbocharged Engines

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Exhaust Valves for Toyota Supra 2JZGE & 2JZGTE 24v Turbocharged Engines

TEVI-1014
Head Diam: 29mm (STD)
Stem Diam: 5.97mm
Length: 99.10mm
Material: Inconel
Groove Type: Single Groove
Valve Type: Exhaust
Face Type: Dish

TEVN-1016
Head Diam: 30.00mm (+1mm)
Stem Diam: 5.97mm
Length: 99.10mm
Material: Black Nitride
Groove Type: Single Groove
Valve Type: Exhaust
Face Type: Dish

TEVI-1016
Head Diam: 30.00mm (+1mm)
Stem Diam: 5.97mm
Length: 99.10mm
Material: Inconel
Groove Type: Single Groove
Valve Type: Exhaust
Face Type: Dish

TEVI-1016-HS
Head Diam: 30.00mm (+1mm)
Stem Diam: 5.97mm
Length: 99.10mm
Material: Sodium Filled Inconel
Groove Type: Single Groove
Valve Type: Exhaust
Face Type: Dish

*Single Valves Are Also Available In The Drop Down Menu Below*

Our stainless steel intake valves are manufactured from an enhanced version of EV8 (21-4N) steel. We have chosen this material specifically because it’s the highest grade of steel available and provides the strength to withstand just about any application. Our exhaust valves are made from EV16 (21-8N) or EV8-Nb/w for even greater strength at higher temperatures. Our stainless steel valves are one piece forged valves, and depending on the application feature hardened tips, hardened seats, swirl polish, undercut, and our black nitride coating. Our black nitride coated valves feature a harder surface area and a smoother finish, providing less friction and subsequently longer life.


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