October 2018: I wanted to replace the OEM valve covers which were terribly discolored. The OEM magnesium valve covers have a tendency to discolor with age and the castings are usually pretty porous.

There's a lot of hardware that surrounds the valve covers which makes removing them pretty difficult. Since I had to remove this hardware anyway, I figured it was time to think about getting rid of some of it if possible.

So, I installed an Air Injection Pump delete kit (shown below.) I'm estimating that this removed about 10 pounds of hardware from the car. This modification makes accessing the water pump and servicing the valve covers much easier.