Valve & Valve Guide
WARNING: This page is about a different car, the 2022 Subaru WRX. However, it is still accessible from the selected car via links, so may be relevant.
| Valve overall length | mm (in) | Intake | 104.95 (4.1319) | |||||
| Exhaust | 96.53 (3.8004) | |||||||
| Valve head edge thickness | mm (in) | Intake | Standard | 0.8 - 1.2 (0.0315 - 0.0472) | ||||
| Exhaust | Standard | 1.0 - 1.4 (0.0394 - 0.0551) | ||||||
| Valve stem outer diameter | mm (in) | Intake | Standard | 5.455 - 5.470 (0.2148 - 0.2154) | ||||
| Exhaust | Standard | 5.445 - 5.460 (0.2144 - 0.2150) | ||||||
| Valve guide inner diameter | mm (in) | Standard | 5.500 - 5.512 (0.2165 - 0.2170) | |||||
| Clearance between valve and valve guide | mm (in) | Intake | Standard | 0.030 - 0.057 (0.0012 - 0.0022) | ||||
| Exhaust | Standard | 0.040 - 0.067 (0.0016 - 0.0026) | ||||||
| Valve guide protrusion amount | mm (in) | Intake | Standard | 12.9 - 13.3 (0.5079 - 0.5236) | ||||
| Exhaust | Standard | 11.4 - 11.8 (0.4488 - 0.4646) | ||||||