Supertech Inconel exhaust valves for 4G63 Evo, DSM and GVR4. The Inconel 751 nickel base alloy is great for engines that reach high temps. These valves are available in 4 sizes to match your head diameter with an option for sodium-filled, designed to withstand even higher temperatures. Sold as a set of 8 or individually as needed. Please do all your research and consult your engine builder if necessary!
Vehicle Fitment:
1992-2006 Evolution I-IX
1990-1999 Eclipse GST/GSX
1990-1998 Talon TSi
1990-1994 Laser RS
1991-1992 Galant VR-4
• For exhaust valves only. Intake valves are sold separately.
| Fitment: | Size: | Includes: | Part Number: |
| Exhaust | Standard 30.5mm | 8 Valves | MEVI-1007-8 |
| 1 Valve | MEVI-1007-1 | ||
| Exhaust | +.5mm Oversize 31.0mm | 8 Valves | MEVI-1008-8 |
| 1 Valve | MEVI-1008-1 | ||
| Exhaust | +1mm Oversize 31.5mm | 8 Valves | MEVI-1009-8 |
| 1 Valve | MEVI-1009-1 | ||
| Exhaust *Sodium-Filled* |
+1mm Oversize 31.5mm | 8 Valves | MEVI-1009-HS-8 |
| 1 Valve | MEVI-1009-HS-1 | ||
| Exhaust | +2mm Oversize 32.5mm | 8 Valves | MEVI-1010-8 |
| 1 Valve | MEVI-1010-1 |
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.
The MEVI-1007 is pictured for reference.
| Select: | Standard 30.5mm (Set of 8) (MEVI-1007-8), Standard 30.5mm (1 Single) (MEVI-1007-1), Oversize 31.0mm (Set of 8) (MEVI-1008-8), Oversize 31.0mm (1 Single) (MEVI-1008-1), Oversize 31.5mm (Set of 8) (MEVI-1009-8), Oversize 31.5mm (1 Single) (MEVI-1009-1), Oversize 31.5mm Sodium-Filled (Set of 8) (MEVI-1009-HS-8), Oversize 31.5mm Sodium-Filled (1 Single) (MEVI-1009-HS-1), Oversize 32.5mm (Set of 8) (MEVI-1010-8), Oversize 32.5mm (1 Single) (MEVI-1010-1) |
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