OE Scratch Free Racing Nuts with Knurl Blue Titanium

TPI Lug Nuts Brand TPI Height 45mm O.D. 24mm Hex 17mm & 19mm Seat 60 degree Package Box Performance & Style Applying the same strict standards of our bolts, we developed the 17mm and 19mm Hex Forged Racing Nuts. Since race cars have to endure many types of stresses, the material had to be SCM 440, heat-treated. Available with a rotating seat we call "Scratch-Free" to prevent scratching the inner surface of the wheel for street applications.