Valve Spring
| Valve Spring Compression Pressure | Intake | 206 - 220 at 1.352 Pound Force At Inch (lbf @ in) Service limit - +/- 8 lbs. |
| Exhaust | 206 - 220 at 1.352 Pound Force At Inch (lbf @ in) Service limit - +/- 8 lbs. | |
| Valve Spring Free Length Valve (Approximate) | Intake | 2.075 +/- 0.150 Inch (in) |
| Exhaust | 2.075 +/- 0.150 Inch (in) | |
| Valve Spring Assembled Height | Intake | 1.767 Inch (in) |
| Exhaust | 1.833 Inch (in) | |
| Valve Spring Out Of Square Maximum | 0.078 Inch (in) |