| Brand | Gearwrench |
|---|---|
| Manufacturer Part Number | 912D |
| Type | Wrenches |
| MPN | 912D |
Check the listing for details. GearWrench Heavy Duty Valve Spring Compressor (912D). Condition: New. Listed at 17.73 USD. The GearWrench Heavy Duty Valve Spring Compressor (912D) is designed for demanding automotive and engine service tasks. Built from high-strength steel, this tool is used to replace weak or broken valve springs and guide seals without the need to remove the cylinder head from the engine.