KEVIN HARVICK 2021 GRAVE DIGGER #4 MUSTANG 1/24 ACTION COLLECTOR. KEVIN HARVICK 2021 GRAVE DIGGER #4 MUSTANG 1/24 ACTION COLLECTOR SERIES. Limited edition of 7,824 made. Stewart-Haas Racing driver Kevin Harvick will celebrate the 40-year history of Grave DiggerTM, one of the most decorated Monster Jam trucks in the world, with a special No. 4 Ford Mustang at Nashville Superspeedway.
