Cole Custer's success with Stewart-Haas Racing is rooted in his relationship with crew chief Jonathan Toney, and a return to the Xfinity Series has them as championship contenders with four races to go. #NBCSports #NASCAR #NASCARCupSeries » Subscribe to Motorsports on NBC: https://www.youtube.com/motorsportsonnbc?sub_confirmation=1 » Get the latest motorsports news on NBC Sports: https://nbcsports.com/motors/nascar » Watch NASCAR on Peacock: https://peacocktv.smart.link/v82e9dl56 NBC Sports – the home of motorsports – features unparalleled motorsports programming, fueled by the network’s media rights agreements with NASCAR and IndyCar, NBC Sports has more than 1,500 hours of motor sports coverage spanning NASCAR, IndyCar, Monster Energy AMA Supercross, Pro Motocross Championship, SuperMotocross World Championship, IMSA, MotoGP, World Superbike, Nitrocross, and Dakar Rally. Subscribe to our channel for the latest motors news and highlights! NBC Sports is the official home of the 202