Supertech Inconel exhaust valves for Honda/Acura B16A, B17A, B18C DOHC VTEC engines. The Inconel 751 nickel base alloy is great for engines that reach high temps. These valves are available in various 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:
DOHC VTEC GSR Integra, Del Sol, Civic Si
B16A, B17A, B18C
• For exhaust valves only
| Fitment: | Size: | Includes: | Part Number: |
| Exhaust | Standard 28.00mm Dish • Stem Diameter 5.45mm • Length 102.50mm |
8 Valves | HEVI-1000-8 |
| 1 Valve | HEVI-1000-1 | ||
| Exhaust | +.5mm Oversize 28.50mm • Stem Diameter 5.48mm • Length 102.50mm |
8 Valves | HEVI-1001-8 |
| 1 Valve | HEVI-1001-1 | ||
| Exhaust *Sodium-Filled* |
Standard 28.00mm • Stem Diameter 6.00mm • Length 102.50mm |
8 Valves | HEVI-1000-HS-6-8 |
| 1 Valve | HEVI-1000-HS-6-1 |
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.
Notes:
Images are for reference.
| Select: | Exhaust 28.0mm (Set of 8) (HEVI-1000-8), Exhaust 28.0mm (1 Single) (HEVI-1000-1), Exhaust 28.5mm (Set of 8) (HEVI-1001-8), Exhaust 28.5mm (1 Single) (HEVI-1001-1), Exhaust 28.0mm Sodium-Filled (Set of 8) (HEVI-1000-HS-6-8), Exhaust 28.0mm Sodium-Filled (1 Single) (HEVI-1000-HS-6-1) |
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