1970 and 71 Cyclone Spoiler, why did it have the peepsight grill hole in the center?

Larry Shinoda designed it, and was keeping drag racers in mind, so he put the hole there for faster, easier camshaft swaps.

Info source, Muscle Car Review, May 2012 issue, page 35

Larry Shinoda's Boss 302, a barnfind

Found while looking through a forum that evolved into photos, brochures and info about the most rare and cool musclecars from 1962 - 1972... great stuff! http://www.highdefforum.com/car-forum/115098-muscle-cars-1962-1972-a-252.html