• Complete aluminum set • Steering obstructs & 7° C-hubs • Ultra strong • Reduces flex • Enhances perseverance • primarily for high traction conditions • Increases protection • Swiss 7075 T6 aluminum • Fits XB4 & XT4 an overall total band of aluminum steering obstructs and C-hubs with 7° caster. Ultra-strong construction provides long life and durability in perhaps the many extreme race conditions. Utilizing the steering blocks in an aluminium product reduces flex, and improves persistence, and will return the car, primarily for high traction conditions. The aluminum components are more dependable and much more effective. CNC-machined from Swiss 7075 T6 aluminum and black colored colored colored coated. Direct replacement for the typical composite components. Fits all XB4 & XT4 kits.