Check it out - this '66 has the 'super rare slat 6 option'! Somebody better jump on it!
http://phoenix.craigslist.org/wvl/cto/3573593182.html
http://phoenix.craigslist.org/wvl/cto/3573593182.html
I am wondering if the k-frame has been replaced by six slats?
What other uses for six slats in an a-body can you think of?