Valve Spring: Specifications
| Free Length | 2.02 Inch (in) | |
| Installed Height | Intake | 1.670-1.700 Inch (in) |
| Exhaust | 1.670-1.700 Inch (in) | |
| Spring Pressure | Open | 187-203 at 1.27 Pound Force At Inch (lbf @ in) |
| Closed | 76-84 at 1.7 Pound Force At Inch (lbf @ in) |