Roush 401584 Shifter Knob Fits 2005-2010 Ford Mustangs with either the ROUSH Billet Shifter Arm (part #401969) or the stock shifter Made in the U.S.A. Features the "ROUSH" logo and 5-speed shift pattern Mustang Shift Knob adds a true 1960's retro and high performance look Made from phenolic resin (the same material used in pool/billiard balls) for superior durability and appearance