Here are all the options parts for the Xray XB4 2020 and olders
Reference 06368011
Brand: XRAY
COMPOSITE SHOCK BALL JOINT +2MM & +4MM (2+2) - 368011
Reference 06305231
Brand: XRAY
DRIVE SHAFT COUPLING - HUDY SPRING STEEL - 305231
Reference 06323357-G
Brand: XRAY
COMPOSITE UPRIGHT REAR - LOWER POSITION - GRAPHITE - 323357-G
Reference 06303123-K
Brand: XRAY
ALU SHIM 3x6x2.0MM - BLACK (10) - 303123-K
Reference 06325340
Brand: XRAY
REAR DRIVE AXLE LB - HUDY SPRING STEEL™ - 325340
Reference 06325341
Brand: XRAY
REAR ADJUSTABLE DRIVE AXLE LB - HUDY SPRING STEEL™ - 325341
Reference 06353561
Brand: XRAY
ALU REAR WING SHIM (2) - 353561
Reference 06362251-G
Brand: XRAY
COMPOSITE STEERING BLOCK CARBON EXTEN. PLATE - G - 362251-G
Reference 06364115
Brand: XRAY
3-PAD SHAFT FOR MULTI-ADJUSTABLE SLIPPER CLUTCH (MSC) - 364115
Reference 06325340-L
Brand: XRAY
REAR DRIVE AXLE LB FOR REAR UPRIGHT LOWER POSITION - 325340-L
Reference 06364904-L
Brand: XRAY
GEAR CENTER DIFFERENTIAL - LIGHTWEIGHT - SET - XRAY
Reference 06303120
Brand: XRAY
SET OF ALU SHIM (0.5MM, 1.5MM, 2.5MM) - 303120