Products   XRAY XB4 Active Differential - Center - Set Description · Specs. · Parts List  · Download (1) ·   Parts List   ID Name   360007 XRAY XB4'20   360008 XRAY XB4C'21 - 4WD 1/10 Electric Off-Road Car   360009 XRAY XB4D'21 - 4WD 1/10 Electric Off-Road Car   360201 XRAY XT4.2