Valve Spring
VALVE SPRING
| DESCRIPTION | SPECIFICATION | |
|---|---|---|
| Metric | Standard | |
| Free Length - Spring | 55.0 mm | 2.165 in. |
| Free Length - Spring Damper | 47 mm | 1.850 in. |
| Spring Tension (Valve Closed) | 534 +/- 20 N @ 44.5 mm | 120 +/- 4.5 lbs. @ 1.750 in. |
| Spring Tension (Valve Open) | 1245 +/- 40 N @ 30.6 mm | 280 +/- 9.0 lbs. @ 1.207 in. |
| Number of Coils - Spring | 7.25 Right Hand Twist | |
| Number of Coils - Spring Damper | 3.6 to 4.0 Left Hand Twist | |
| Wire Diameter (Ovate) | 4.2 x 5.3 mm | 0.166 x 0.208 in. |
| Installed Height (Spring Seat to Bottom of Retainer) | 44.5 mm | 1.750 in.. |