zmart H4 Halogen Relay Harness System Old Car HID Stability

• Relay harness for H4 halogen.

• One left and right set.

• Adopts high heat-resistant ceramic terminals and large capacity 40Ax2 relays.

• (Colors may differ from the photo depending on the lot.)

• High wattage compatible

Relay harness for H4 halogen. One left and right set. Adopts high heat-resistant ceramic terminal and large capacity 40Ax2 relay. (Colors may differ from the photo depending on the lot.) High wattage compatible Unleash your car's potential and fix dim or flickering headlights with H4 halogen or HID. Short wiring, no voltage drop, brighter headlights