I am now a fan of Raceseng.com knobs. Nice weight. I initially thought it would mount too high because of the included adapter, but no,It is actually about 1/2 an inch Lower.
They are very receptive to questions. 2 day shipping included. 10% off for veterans.
Long Career then...I knew many of ya'll. The car will scrape. I do it Every single time I go down my driveway. You will get used to slowing down for certain speed bumps. In the end it scrapes below the visible area of the splitter. Not much to worry about.
A-6 Intruders...Whidbey and Oceana.