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Build your specification using the selectors above. The exact Supertech part number and price update after selection.
| Part number | Valve Size | Groove Type | Material | Valve Set |
|---|---|---|---|---|
| GIVN-3320S-8 | Standard | Single Groove | Stainless Steel Black Nitride | Set of 8 |
| GIVN-3320S | Standard | Single Groove | Stainless Steel Black Nitride | Each |
Stainless Steel Black Nitride Intake Valves
Applications: Opel A18XER; Opel Z16; Opel Z18LER
| Valve Type | one piece forged (non-magnetic) |
|---|---|
| Coating | black nitride |
| Back-Cut | yes |
| Undercut Stem | yes |
| Material | stainless steel 21-4n |
| Groove Type | single groove |
| Multi-Stage Heat Treatments & Stress Relieving | yes |
| Valve Size | standard |
| Valve Face Type | dished |
| Valve Length | 118.38mm |
| Head Diameter | 31.3mm |
| Stem Diameter | 4.96mm |
| Length | 118.38mm |
| Finish | superfinish - 66% smoother surface than a regular valve |
| Hardened Wafer Tip | yes |
Please confirm the selected specification and engine application before ordering.
