After the hard-charging Johnson had suffered the mishap in the late going, Biffle handily bested Kevin Harvick down the stretch at Michigan International Speedway, notching a 3-second margin of victory.
Biffle, driving the No. 16 car for Roush Fenway Racing, gave Ford the milestone victory in his fourth career Sprint Cup triumph at Michigan, while team owner Jack Roush racked up his 13th career win at the two-mile track.
Johnson fell to 28th place while defending champ Dale Earnhardt Jr. blew an engine as he was holding second place on lap 132.
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