Ross Lee Chastain is an American professional stock car racing driver. He competes full-time in the NASCAR Cup Series, driving the No. 1 Chevrolet ZL1 for Trackhouse Racing, He also competes part–time in the NASCAR Craftsman Truck Series, driving the No. 41 Chevrolet Silverado for Niece Motorsports. He is the older brother of fellow NASCAR driver Chad Chastain.
