These are a super simple installation in your '74-'89 911. When adding higher wattage bulbs, you'll want to add a JWest headlight relay. This protects your headlight and column switches from overheating and provides full power to your new lights. Transform your Porsche with JWest Rennshift products at PMB. Discover the innovative designs from Jwest Engineering for optimal performance.
Quality TE relays. Optional German relays are also available.