Authentic XRAY RIGHT-side 2° aluminum caster block & XRAY LEFT-side 2° aluminum caster block are CNC-machined from premium Swiss 7075 T6 aluminum. Ultra-strong construction provides long lifespan & durability in even the many extreme race conditions. Designed specifically for GT platform to boost the steering and also to reduce the tire wear. Includes XRAY composite bushings for super-precise and smooth steering action. Laser-engraved with XRAY logo, caster value, and R & L for fast & simple recognition. Precision machined with best tolerances utilizing premium fully-automatic German CNC-machines. Top-notch layer is finished at XRAYs very own in-house fully-robotic finish line, ensuring a great area whenever. Fits just XRAY GTX8 and GTXE automobiles.