Valve Spring
| Free Length (Approx) | Intake and Exhaust | 1.9134 inch |
| Spring Force (Valve Closed) | Intake and Exhaust | 70.92722 - 79.24515 lbs. @ 1.6099 inch |
| Spring Force (Valve Open) | Intake and Exhaust | 176.6998 - 193.3357 lbs. @ 1.167 inch |
| Number of Coils | Intake and Exhaust | 6.69 |
| Wire Diameter | Intake and Exhaust | 0.1685 - 0.1715 inch |
| Installed Height Spring Seat to Bottom of RetainerNominal | Intake | 1.613 inch |
| Exhaust | 1.606 inch |