Concours Restoration of Your Cores
Bosch no longer makes H4 headlights and the world is flooded with them by other manufacturers. If you are an owner who values originality for your vintage Porsche headlights are a good place to start as they are so visible on the car. Real restored original parts always cost more but they add to the authenticity of the car. Important to some, not to others.
Bosch H4's were introduced in late 1972 and became an immediate favorite. They were used as OEM parts by the Porsche factory for all of their rest of world (RoW) cars until the 993 that was introduced in 1993.
Restoration includes the following steps:
- Reflectors – stripped, copper plated, nickel plated, polished, followed by vapor deposited aluminum plating, silica layer – Why aluminum?
- Housings – media blasted and powder coated
- Lenses – new with correct Bosch lettering
- GE Nighthawk 9003 +120% bulbs
- Lens Gaskets – new
- Chrome Trim Rings – new**
- Adjustment Screws – mounted with nylon lock nuts for easy removal
- Fender Mounting Screws
- Fender Mounting Gaskets
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Bench Tested
** New trim rings are chromed plated steel. Original trim rings are chrome plated brass. If you prefer to have the original trim rings rechromed there is a $200.00 extra fee.
These are exceptionally bright with the high performance Vosla +190% H4 bulbs as recommended by Daniel Stern, our Automotive Lighting Consultant.