Reliable 12578517 CHEVROLET VVT solenoid valve

Ensure precise valve timing control with this OEM-grade VVT solenoid, designed for CHEVROLET engines.

✔ Direct Fit – Replaces OE#12578517 / 12655420 / 12646783
✔ Smooth Operation – Reduces turbo lag & improves acceleration
✔ Durable Design – IP67 waterproof rating
✔ Easy Installation – Factory connectors included