Quoted from ckcsm:Check out the gills on the shark, if you check out a 65 - 66 Corvette you will see 3 vents in the fenders, a 67 has 5, just like the Mako shark.
correction. the 1965 had 3 vents; the '66, 4 vents and the '67, 5 vents. 1967 also marked the last year of that stingray body style.