I just ordered these in april and they dont fit my application. they were never really installed just set in place. I tried to point out the very fine scratches from setting the driver side in place. here is a link to the specs. http://www.sandersonheaders.com/San...t-for-Buick-Nailhead-V8-in-64-Up-Riviera.html I'm located in Baton Rouge Louisiana they are jet coated. I just paid $450 Selling for $400 + shipping
