Authentic XRAY left-side alu steering block with 10° kingpin for XB9 is CNC-machined from premium Swiss 7075 T6 aluminum, hardcoated for extra durability and long life. New kingpin steering block with 10° inclination for increased in-corner steering. Recommended for technical tracks where in-corner steering is needed. This new steering block is also 1mm narrower which helps increase the steering. Using the standard wheel hexes, offset is -1mm compared to old steering blocks with standard wheel hexes. Ultra-strong construction provides very long life and durability in even the most extreme racing conditions. Use with 352258 right alu 10° kingpin steering block.