Fits: 2005-09 Mustang Extra-thick 3/8" steel and billet aluminum 125,000 Pound tensile strength studs withstand the high-torque, high-horsepower loading encountered during hard acceleration Reaction and 60-foot times are improved since engine movement in the chassis is eliminated, instantaneously transferring power to the rear wheels Clutch linkage binding is eliminated, ensuring improved shifts Manufactured on computer-controlled equipment for unsurpassed quality and precise fit Two per package