Chrome is not my thing. I had this entire engine sprayed in black (like the stock 318 was in '89), stock LA valve covers instead of the Edelbrocks this engine package came with. Trying to keep it as stock appearing as I can. I have no problem using a parts store thermostat housing and painting it black. Even better for the look. I was going to paint the billet one I linked if you guys thought it was good. My main concern was the size I needed for the Air Gap. Scratchin answered that for me; i need the larger '78 and older size. Thanks to all!