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 especially for GT platform to boost the steering and also to reduce steadily the tire use. Includes XRAY composite bushings for super-precise and smooth steering action. Laser-engraved with XRAY logo design, caster value, and R & L for quick & effortless recognition. Precision machined with highest tolerances utilizing premium fully-automatic German CNC-machines. High-quality coating is done at XRAYs very own in-house fully-robotic coating line, ensuring an amazing area whenever. Fits just XRAY GTX8 and GTXE vehicles.