Valve Spring: Specifications
| Valve Spring Free Length | 2.08 Inch (in) |
| Valve Spring Installed Height | 1.73 Inch (in) |
| Seat Pressure | 76-84 at 1.73 Pound Force At Inch (lbf @ in) |
| Compressed Pressure | 175-189 at 1.28 Pound Force At Inch (lbf @ in) |
| Out Of Square Limit | 0.062 Inch (in) |