Supertech Inconel exhaust valves for 2020+ Supra GR. The Inconel 751 nickel base alloy is great for engines that reach high temps. These valves are the standard size 30.10mm to match your head diameter. The sodium-filled option is designed to withstand even higher temperatures. Sold as a set of 12 or individually as needed. Please do all your research and consult your engine builder if necessary!
Vehicle Fitment:
2020+ Toyota Supra GR
B58 A90 A91 MKV MK5
• Must be used with single groove valve keepers KPR-6S/7
• For exhaust valves only
• Intake valves are sold separately
| Fitment: | Size: | Includes: | Part Number: |
| Exhaust *Sodium-Filled* |
Standard 30.10mm • Stem Diameter 5.95mm • Length 100.10mm |
12 Valves | TEVI-1058-HS-12 |
| 1 Valve | TEVI-1058-HS-1 |
Inconel Features:
The Inconel 751 Nickel Base Alloy material is used for exhaust valves in engines that reach very high temperatures and its use is growing with the application of turbos and superchargers.
Sodium Filled Features:
The Sodium Filled Valves are made of an Inconel/Nimonic alloy. These valves are hollow and filled with sodium, designed to withstand even higher temperatures. As the sodium becomes liquid it will transfer heat from the head of the valve to the guide and cylinder. 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.
Photos are for reference.
| Select: | Standard 30.10mm Sodium Filled (Set of 12) (TEVI-1058-HS-12), Standard 30.10mm Sodium Filled (1 Single) (TEVI-1058-HS-1) |
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