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 perhaps the numerous extreme race conditions. Designed especially for GT platform to boost the steering also to lessen the tire usage. Includes XRAY composite bushings for super-precise and smooth steering action. Laser-engraved with XRAY custom logo, caster value, and R & L for fast & simple recognition. Precision machined with most useful tolerances utilizing premium fully-automatic German CNC-machines. Top-notch layer is finished at XRAYs own in-house fully-robotic finish line, ensuring outstanding area whenever. Fits merely XRAY GTX8 and GTXE vehicles.