This adapter can very easily increase the front wheels turning angle what is commonly used for drifting, widely used in aircraft industry. Very solid aluminum body for maximum strength and durability. The drift adapter can increases the turning angle by 25% and makes the vehicle slide side way. This modification will result in better control over steering - especially while a controlled slide, and also will result in higher entry angles versus the direction of driving. Comes with mounting screws, easy to install. They are installed as a hub spacer, between the knuckle, and tie rod. Installation is relatively simple, but minor adjustments may be needed. Especially designed for E46 M3. Mounting screws:M12 Increase: 25% Material:aluminum colour:black Package Contents: 2 * drift locks With screws Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.