Here are all the options parts for the Xray XB4 2020 and olders
Reference 06366053
Brand: XRAY
GRAPHITE PLATE FOR ELECTRONICS - SET - 366053
Reference 06303142-K
Brand: XRAY
ALU SHIM 3x5x0.5MM - BLACK (10) - 303142-K
Reference 06363114-M
Brand: XRAY
SUSPENSION ARM REAR LOWER RIGHT - 3-HOLE - MEDIUM - 363114-M
Reference 06363124-M
Brand: XRAY
SUSPENSION ARM REAR LOWER LEFT - 3-HOLE - MEDIUM - 363124-M
Reference 06971032
Brand: XRAY
SILICONE O-RING 3.2x0.8 (10) - 971032
Reference 06323560
Brand: XRAY
CARBON REAR WING SHIM - 323560
Reference 0148202
Brand: HIRO SEIKO
XB4'18 Titanium Hex Socket Screw Set - 48202
Reference 0148401
Brand: HIRO SEIKO
XB4'19 Titanium Hex Socket Screw Set - 48401
Reference 06303121-K
Brand: XRAY
ALU SHIM 3x6x0.5MM - BLACK (10) - 303121-K
Reference 06303122
Brand: XRAY
ALU SHIM 3x6x1.0MM (10) - 303122
Reference 06306200-O
Brand: XRAY
ALU SERVO MOUNT - ORANGE (2) - 306200-O
Reference 06325390
Brand: XRAY
ALU SHIM 10x12x2MM (2) - 325390