• Complete aluminum set • Steering blocks & 7° C-hubs • Ultra strong • Reduces flex • Improves persistence • Mainly for high traction conditions • improves security • Swiss 7075 T6 aluminum • Fits XB4 & XT4 a whole group of aluminum steering obstructs and C-hubs with 7° caster. Ultra-strong construction provides extended life and durability in even the most extreme race conditions. Using the steering blocks in an aluminium material reduces flex, and improves consistency, and certainly will free up the car, mainly for high traction conditions. The aluminum components are more reliable and stronger. CNC-machined from Swiss 7075 T6 aluminum and black colored coated. Direct replacement the typical composite parts. Fits all XB4 & XT4 kits.