Valve Spring
| Valve Spring Free Length Standard | 1.6649 Inch (in) |
| Valve Spring Free Length Limit (Minimum) | 1.6142 Inch (in) |
| Valve Spring Preload Standard | 46.1 - 51.8 lb at 1.28 in |
| Valve Spring Preload Limit (Minimum) | 41.2 lb at 1.28 in |
| Valve Spring Squareness Deviation (Maximum) | 0.079 Inch (in) |