Valve Spring
| Valve Spring Free Length | 1.539 Inch (in) |
| Valve Spring Installed Height | 1.26-1.29 Inch (in) Note: 1983-86; 1.30 inches |
| Seat Pressure | 60.9-70 at 1.3 Pound Force At Inch (lbf @ in) |
| Compressed Pressure | 162-177 at 0.917 Pound Force At Inch (lbf @ in) |