| Brand Name | WESPC |
| Place of Origin | China |
| Part Number | 3142A151 |
| After-sales Service Provided | Video Technical Support, Online Support |
| Marketing Type | Ordinary Product |
| Certificate | ISO9001 |
| Warranty | 1 Year |
| Stock | Yes |
| Stem diameter | 9.0 mm |
| Overall length | 129.2 mm (from valve tip to head face) |
| Head diameter | 41.6 mm |
| Sealing angle | 30° (ground and lapped sealing face) |
| Material thickness | Valve head features 2.5-3.0 mm profile for heat resistance |
| Engine displacement coverage | 3.3 L (1103 series) and 4.4 L (1104 series) |
| Quantity per engine | 3 pieces for 1103 series, 4 pieces for 1104 series |
| Weight per unit | 0.112 kg (112 grams) |
| Operating temperature rating | -40°C to +850°C continuous service |
| Maximum valve lift | 12.0-13.0 mm (engine-specific camshaft profile dependent) |
| Stem-to-guide clearance | 0.03-0.06 mm (standard specification) |