The road racer-turned NASCAR driver will attempt to make his first start of the 2015 season after failing to race his way into the Daytona 500.
Justin Marks will become the sixth different driver of the No. 34 Front Row Motorsports Ford in next weekend's Sprint Cup race at Sonoma, a car that was supposed to be driven by David Ragan in all 36 rounds of the 2015 championship.
He has just one previous Cup start, which came at Sonoma in 2013. He finished 30th, driving for Tommy Baldwin. He missed the 2015 Daytona 500 after attempting to make the race for Robby Benton.
Marks also has eleven Xfinity races (best finish of sixth) and 36 Truck races (best finish of eighth) under his belt. The 34-year-old has a road racing background 47 starts in what is now the TUDOR United SportsCar Series, winning eight times (including 2009 Rolex 24 at Daytona).