Easy, One Stop Shopping. This standard combo kit features four 20x8.5 Gloss Black 2013 GT500 Style Wheels and four 255/35R20 Sumitomo Maximum Performance HTR Z5 Tires. This popular Wheel and Tire Combo Kit has been created for the exact specifications of your Mustang for a guaranteed perfect fit with no rubbing or clearance issues.Standard Wheel and Tire Setup. Our standard Wheel and Tire Combo Kits include the same size wheels and tires for the front and the rear of your Mustang. This allows you to routinely rotate your tires to equalize tread wear and maximize the life of the tires.Gloss Black GT500 Style Wheel. Add the exciting styling of the 2013-2014 Shelby GT500 to your very own Pony with a set of Shelby Style Wheels from AmericanMuscle. These Shelby Style Wheels feature a modern 16-spoke design and a European style flange-less lip for an impressive innovative design. Black out your Mustang’s wheels for a sick stealthy effect that everyone will be envious of. These wheels are clear-coated to protect against the hazards of road chips and pitting and you also get the added benefit of never noticing brake dust.Sumitomo Maximum Performance HTR Z5. Sumitomo's HTR Z5 Series Tire is an ultra high performance summer tire. The aggressive design delivers extraordinary performance in either wet or dry conditions, both on and off the track. Siped tie-bars reinforce block rigidity for control and enhanced wet traction.Free Nitrogen Fill. AmericanMuscle is pleased to offer FREE optional nitrogen fill on wheels and tires that are purchased together on the same order. Filling your high performance tires with nitrogen has many benefits, including increased fuel economy, reduced weight, longer tire life and constant tire pressure throughout the year.Application. This Standard 20x8.5 Gloss Black 2013 GT500 Style Wheel and 255/35R20 Sumitomo Maximum Performance HTR Z5 Tire Combo Kit fits 2015-2023 V6, EcoBoost and GT Ford Mustang models.