The 21-year-old Heim from Marietta, Georgia, overtook Christian Eckes with six laps remaining to become the first Playoff competitor to transfer to this year's Championship 4 round by winning at Thunder Valley.
The 22-year-old Eckes from Greenville, New York, led the final two of 134-scheduled laps and capitalized through two late-race cautions to score his third Truck Series victory of the 2023 season in the Round of 10 finale amid a final lap overtake on Playoff rivals Corey Heim and Zane Smith.
The 37-year-old Enfinger from Fairhope, Alabama, led a race-high 95 of 175-scheduled laps and notched an emphatic and dominant Truck victory at Milwaukee four days after the announcement of GMS Racing's closure at season's end.
The two-time Cup Series champion from Las Vegas, Nevada, led seven of 60-scheduled laps and executed a final lap pass on Corey Heim to notch his second Truck victory of 2023 and the elusive 100th win for KBM.
The 37-year-old Enfinger from Fairhope, Alabama, overtook Zane Smith during an overtime attempt to snap a one-year winless drougth and become the first Playoff competitor to transfer from the Round of 10 to 8.