Valve Spring
| Valve spring compression pressure (N @ spec. length) | Intake | 89.92 +/- 4.94 at 0.964 inch |
| Exhaust | 89.92 +/- 4.94 at 0.964 inch | |
| Valve spring free length (approximate) | Intake | 1.740 inch |
| Exhaust | 1.740 inch | |
| Valve spring installed pressure (N @ spec. length) | Intake | 39.34 +/- 2.24 at 1.315 inch |
| Exhaust | 39.34 +/- 2.24 at 1.315 inch |