The Tungsram H4 Rally 12V 100/80W P43t 38 is a high output halogen headlight engineered for rally and off road conditions. Its dual filament 100 80W configuration delivers strong high beam and robust low beam performance on standard 12V systems, while the P43t 38 base provides a secure fit in H4 sockets. The design focuses on increased illumination and durability for demanding environments without making vehicle specific compatibility claims.

• Brand: Tungsram
• Bulb type: H4 halogen dual filament
• Voltage: 12V
• Wattage: 100W high beam 80W low beam
• Base: P43t 38
• Intended use: rally performance and off road visibility
• Construction: reinforced filament and robust bulb envelope for demanding conditions
• Electrical note: higher current draw may require upgraded wiring relays and fuses

These bulbs are intended for performance or competition use and may have a shorter service life than standard road bulbs due to increased output. Always check local lighting regulations and use the Parts Checker to confirm fitment before purchase. If fitting to a road vehicle consult a qualified installer or automotive electrician to ensure the vehicle electrical system can safely support 100 80W H4 bulbs.