Totally redesigned, high-performance, low-profile Alpha human anatomy with super-smooth airflow and all-new downforce areas. The Alpha human anatomy provides increased steering & security while in addition enhancing control in jumps. The key area of the human anatomy has a fresh high-downforce area. The sides from human anatomy have actually top downforce areas to produce more mid-body downforce, plus the right sidewalls improve security. The top of an element of the body was certainly redesigned with a smooth movement channel. Various XB4 figures are available in different thicknesses for fine tuning the performance associated with vehicle.