The '68 model year marked a turning point in the Corvette story with the introduction of the Mako Shark II-inspired C3. Sixteen years later, the new C4 wowed the Vette faithful with styling and performance that departed dramatically from earlier models. Although both generations lasted well beyond their sell-by date, Corvette stylists did an admirable job of keeping the cars fresh with updates to the bumper covers, hood, fender vents, and-most important-the wheels.