Supertech Inconel Exhaust Valves for R35 GTR




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Supertech Inconel exhaust valves for VR38DETT Nissan R35 GTR. The Inconel 751 nickel base alloy is great for engines that reach high temps. These valves are available 33.15mm +1 oversize to match your head diameter with an option for sodium-filled, 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:
2009+ Nissan R35 GTR
• For exhaust valves only
• Intake valves are sold separately

Fitment: Size: Includes: Part Number:
Exhaust +1mm Oversize 33.15mm
12 Valves NEVI-1062-12
1 Valve NEVI-1062-1
+1mm Oversize 33.15mm
12 Valves NEVI-1062-HS-12
1 Valve NEVI-1062-HS-1
Exhaust -0.45mm Undersize 31.7mm *Discontinued* NEVI-1059
Additional Valve Specs:
• Stem Diameter 5.95mm
• Length 92.00mm

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.
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