Products   Cars   XRAY XB4   Section Name Released 01. Front & Rear Differential Dec. 13, 2012 02. Front Central Transmission Dec. 13, 2012 02. Rear Central Transmission Dec. 13, 2012 03. Front Suspension Dec. 13, 2012 03. Rear Suspension Dec. 13, 2012 04. Front & Rear Assembly Dec. 13, 2012 04. Front Transmission Dec. 13, 2012 04. Rear Transmission Dec. 13, 2012 05. Steering Dec. 13, 2012 06. Slipper Clutch Assembly Dec. 13, 2012 07. Shock Absorbers Dec. 13, 2012 08. Final Assembly Dec. 13, 2012 09. Optional Items Dec. 13, 2012