Manley Manley Valve Spring, SPRING-1.580 DOUBLE 221443-16
Specifications:
| Product Market | Domestic |
| Average Gram Weight | 150 |
| Product Type | Engine Valve Spring |
| Valve Spring Outer Diameter | 1.580 |
| Valve Spring Inner Diameter | 0.832 |
| Valve Spring Quantity | 16 |
| Valve Spring Series | NexTek? Series |
| Valve Spring Material | Chrome Silicon |
| Valve Spring Type | Double |
| Valve Spring Coil Bind Height | 1.170 |
| Valve Spring Rate | 535 |
| Valve Lift - Maximum | 0.730 |
| Installed Pressure and Height | 235 @ 1.950 |
| Open Pressure and Height | 610 @ 1.250 |
| Industry | Automotive |
| Out of Stock Message | Call for Availability |
| Title | Manley Valve Spring, SPRING-1.580 DOUBLE |
| Prop 65 Yes/No | Yes |
| Prop 65 (C, R or CR) | CR |
| Prop 65 - Short Label | Prop 65 Warning Label.JPG |
| Engine Type | ICE |
| Description_SHO | Valve Spring |
| Description_INV | SPRING-1.580 DOUBLE |
| Description_ASC | Manley Valve Spring, SPRING-1.580 DOUBLE. |
| Description_LAB | Manley Valve Spring, SPRING-1.580 DOUBLE |
| Description_DES | Manley Valve Spring, SPRING-1.580 DOUBLE |
| Description_EXT | Manley Valve Spring, SPRING-1.580 DOUBLE |
| Description_MKT | From drag strips to short track and endurance circuits, the Manley NexTek® series is engineered for serious racers. NexTek® springs resist pressure loss and valve-train degradation even in the most demanding race conditions. That means more consistent spring force deep into a run, reduced valve bounce, and improved overall stability for high-RPM performance. Built to outperform and outlast in real-world competition. |
| Description_FAB | No degradation of spring pressure in the later stages of a race |
| Description_FAB | Specially processed premium-grade chrome silicon that is virtually free of impurities or surface irregularities |
| Description_FAB | Tested by leading engine builders and are confirmed to be the best performing valve springs on the market today |
| Description_TLE | Manley Valve Spring, SPRING-1.580 DOUBLE |
| Description_DEF | Engine Valve Spring Kit |