Stainless Steel Black Nitride Intake Valves
Applications: Subaru FA20; Toyota FR-S 4U-GSE
| Valve Type | one piece forged (non-magnetic) |
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| Coating | black nitride |
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| Back-Cut | yes |
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| Undercut Stem | yes |
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| Material | stainless steel 21-4n |
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| Groove Type | single groove |
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| Multi-Stage Heat Treatments & Stress Relieving | yes |
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| Valve Size | standard |
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| Valve Face Type | dished |
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| Valve Length | 103.30mm |
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| Head Diameter | 35.00(std) |
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| Stem Diameter | 5.46mm |
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| Length | 103.3mm |
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| Finish | superfinish - 66% smoother surface than a regular valve |
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| Hardened Wafer Tip | yes |
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- Manufacturer: Supertech Performance
- Manufacturer part number: SIVN-1050-8
Please confirm the selected specification and engine application before ordering.
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