Valve Spring
| Valve Spring Installed Height (Exhaust) | 1.67-1.70 Inch (in) |
| Valve Spring Installed Height (intake) | 1.67-1.70 Inch (in) |
| Valve Spring Pressure (Closed) | 76-84 at 1.70 Pound Force At Inch (lbf @ in) |
| Valve Spring Pressure (Open) | 187-203 at 1.27 Pound Force At Inch (lbf @ in) |
| Valve Spring Free Length | 2.02 Inch (in) |