1. Made by high quality material, lightweight, anti-rust, colorfast and durable.
2. Stable performance, high reliability,suitable for replacing your broken one.
3. PAC-1218 LS ovate beehive valve springs for applications up to 0.600 lift. This is a drop-in spring that fits stock seats and retainers. This spring has higher spring pressure for more demanding applications.
4. Material: metal
5. OE: PAC-1218. Please check it clearly, confirm suited to your needs.
6. For Gen III and Gen IV GM LS Engines.