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 possibly the many extreme competition conditions. Designed specifically for GT platform to enhance the steering along with reduce 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 & effortless recognition. Precision machined with greatest tolerances using premium fully-automatic German CNC-machines. High-quality finish is conducted at XRAYs individual in-house fully-robotic layer line, ensuring a fantastic area whenever. Fits just XRAY GTX8 and GTXE automobiles.