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